- Geoff Desmoulin
- Â Self - Host / ... 33 episodes, 2009-2011
- Armand Dorian
- Â Self / ... 29 episodes, 2009-2011
- Max Geiger
- Â Self - Computer Programmer / ... 23 episodes, 2009-2010
- Richard Machowicz
- Â Self - Host / ... 10 episodes, 2011
- David Lain Baker
- Â Self / ... 9 episodes, 2011
- Sonny Sison
- Â Al Capone / ... 5 episodes, 2009-2010
- David Wenham
- Â Narrator 9 episodes, 2009
- Shaun Paul Piccinino
- Â William Wallace / ... 3 episodes, 2009-2010
- Robert Daley
- Â Self - Combat Engine Designer / ... 4 episodes, 2011
- Ardeshir Radpour
- Â Hernan Cortes / ... 4 episodes, 2010-2011
- Ryan T. Husk
- Â British Soldier / ... 4 episodes, 2009
- Bryan Forrest
- Â Conquistador / ... 4 episodes, 2010-2011
- Mathew Lorenceau
- Â French Foreign Legion Hero / ... 3 episodes, 2009-2011
- Westley Nguyen
- Â Khmer Rouge Soldier / ... 1 episode, 2009-2011
- Andrew Rasputin
- Â Spetsnaz Leader / ... 3 episodes, 2009-2010
- Aaron Schoenke
- Â Apache / ... 1 episode, 2009
- Mike Mayhall
- Â IRA Member / ... 2 episodes, 2009
- Jason Nguyen
- Â Asian Weapons Expert / ... 3 episodes, 2010-2011
- Emilien De Falco
- Â Bedouin / ... 3 episodes, 2011
- Cody Jones
- Â Aztec Warrior / ... 2 episodes, 2010-2011
- Jonathan Khan
- Â Pol Pot / ... 1 episode, 2009-2011
- Fahim Fazli
- Â Saddam Hussein / ... 2 episodes, 2009-2011
- Joseph Zinsman
- Â Lakota Warrior / ... 2 episodes, 2009-2011
- David Anthony Buglione
- Â Antonio 1 episode, 2009-2010
- Skoti Collins
- Â IRA Collins 2 episodes, 2009-2010
- Sonny Puzikas
- Â Self / ... 1 episode, 2009-2010
- Maynor Lopez
- Â Apache / ... 2 episodes, 2009-2010
- Tony Salantri
- Â Roman Tirones / ... 1 episode, 2009-2010
- Thor Knai
- Â French Knight / ... 1 episode, 2009
- Lance Masa
- Â Akira / ... 1 episode, 2009
- Siso Kamburov
- Â Martial Arts Master 1 episode, 2009
- Mo Brings Plenty
- Â Comanche Hero / ... 2 episodes, 2010-2011
- Chris Yung
- Â Chinese Warrior / ... 2 episodes, 2010-2011
- John A. Lorenz
- Â Aztec / ... 2 episodes, 2010-2011
- Jason Heck
- Â Hernan Cortes weapons expert / ... 2 episodes, 2010-2011
- Andre Alexsen
- Â Capone Gang / ... 2 episodes, 2010
- Mustafa Haidari
- Â Afghan Cleric / ... 2 episodes, 2010
- Mike Pfaff
- Â CIA Agent / ... 2 episodes, 2010
- Jack Mahrt
- Â German Terrorist / ... 2 episodes, 2010
- Nate Riley
- Â Somali Pirate 1 episode, 2010
- Dino Vicencio
- Â Persian Warrior / ... 2 episodes, 2010
- Rez Kett
- Â Bedouin / ... 2 episodes, 2011
- Gugun Deep Singh
- Â Self - Rajput Expert 1 episode, 2010
- Cyrus King
- Â Israeli Commando 1 episode, 2010
- Kevin Wayne Berger
- Â Nazi Waffen SS Hero 1 episode, 2010
- Michael Nagel
- Â Self 1 episode, 2010
- Andy Liegl
- Â Hero French Musketeer 1 episode, 2010
- Billy Bussey
- Â Hero 1 episode, 2011
- Matt Lasky
- Â Self - Weapons Expert 1 episode, 2010
- Cyrus James
- Â Persian Immortal Expert 1 episode, 2010
- Shane Daniels
- Â Hero 1 episode, 2011
- Donna Feldman
- Â Vampire Hero 1 episode, 2011
- Sabah Khodada
- Â Saddam / ... 1 episode, 2011
- Charles Joh
- Â North Korea / ... 1 episode, 2011
- Tommy Leng
- Â Self / ... 1 episode, 2010
- Calvin Bondley
- Â Saddam / ... 1 episode, 2011
- Patrick Hunt
- Â Hannibal / ... 1 episode, 2011
- Ji Jay Kim
- Â North Korea / ... 1 episode, 2011
- Tom Rix
- Â North Korea / ... 1 episode, 2011
- Rick Francona
- Â Saddam / ... 1 episode, 2011
- Khosbayar
- Â Genghis / ... 1 episode, 2011
- Tim Kennedy
- Â Self - U.S. Army Ranger / ... 1 episode, 2011
- Timothy May
- Â Genghis / ... 1 episode, 2011
- Kilong Ung
- Â Pol Pot / ... 1 episode, 2011
- John Lock
- Â Self - U.S. Army Ranger & Historian / ... 1 episode, 2011
- Susie
- Â Self - War Elephant test 1 episode, 2011
- Hayden Rosenaur
- Â Self - Animal Trainer 1 episode, 2011
- Ho Jin Song
- Â North Korea / ... 1 episode, 2011
- Sala Baker
- Â Self - Maori Weapons Specialist 1 episode, 2009
- Anthony De Longis
- Â Team William Wallace 1 episode, 2009
- Chuck Liddell
- Â Self 1 episode, 2009
- Zero Kazama
- Â Self - Yakuza Weapons Expert 1 episode, 2009
- Guy A. Grundy
- Â The Gladiator 1 episode, 2009
- Dav Coretti
- Â Self - Army Veteran / ... 1 episode, 2009
- Michael Lehr
- Â Self - Martial Arts Expert 1 episode, 2009
- Brett Chan
- Â Self - Samurai Weapons Expert 1 episode, 2009
- Casey Hendershot
- Â Self - Viking Weapons Instructor 1 episode, 2009
- Alfred Hsing
- Â Self - Chinese Weapons Expert 1 episode, 2009
- Jeremy Dunn
- Â Self - Spartan Weapons Expert 1 episode, 2009
- Kieron Elliott
- Â Self - Highlander Weapons Expert 1 episode, 2009
- Matthew R. Anderson
- Â Self - Former Green Beret 1 episode, 2009
- Alan Tafoya
- Â Self - World Champion Knife Fighter 1 episode, 2009
- Eric Chen
- Â Historian / ... 1 episode, 2009
- Joseph Ferrante
- Â Self - Mafia Expert / ... 1 episode, 2009
- Caine Sinclair
- Â Young Viking 1 episode, 2009
- Chris Torres
- Â Self - Ancient Weapons Specialist 1 episode, 2009
- Lou Klein
- Â Self - Ninjitsu Master 1 episode, 2009
- Chris Yong
- Â Lead Recreation Ninja 1 episode, 2009
- Tetsuro Shigematsu
- Â Self - Samurai Descendant 1 episode, 2009
- David J. Kono
- Â Historian / ... 1 episode, 2009
- Josh Paugh
- Â Self - Medieval Weapons Expert 1 episode, 2009
- Snake Blocker
- Â Self 1 episode, 2009
- Jason Bartley
- Â Self - Zulu Combat Expert 1 episode, 2009
- David C. Hernandez
- Â Self - Sword Fighting Instructor 1 episode, 2009
- Philip J. Garcia
- Â Apache 1 episode, 2009
- George Gomez
- Â Self - Former Green Beret 1 episode, 2009
- Earl White
- Â Self - Zulu Stick Fighting Master 1 episode, 2009
- Maxim Franz
- Â Self - Former Spetsnaz Operative 1 episode, 2009
- Alex Sami
- Â Self - Counter-Terrorism Specialist 1 episode, 2009
- Barry Jacobsen
- Â Self - Spartan Historian 1 episode, 2009
- Matt Nelson
- Â Self - Viking Combat Expert 1 episode, 2009
- Jared Wihongi
- Â Self - Special Forces Instructor 1 episode, 2009
- Seamus Fitzgerald
- Â Self - Maori Weapons Historian 1 episode, 2009
- Logan Azoulay
- Â Spartan 1 episode, 2009
- Thomas Bonanno
- Â Historian / ... 1 episode, 2009
- Steven Dietrich
- Â Self - Gladiator Combat Instructor 1 episode, 2009
- Dave Anthony
- Â Mafia 1 episode, 2009
- Orlando McGuire
- Â Apache 1 episode, 2009
- Duffy Ferndale
- Â Viking 1 episode, 2009
- Shian Storm
- Â Self 1 episode, 2009
- Devin Lockett
- Â Biomedical Engineer / ... 1 episode, 2009
- Koa Sevilla
- Â Maori 1 episode, 2009
- Wei Wang
- Â Self - Wushu National Champion 1 episode, 2009
- Michael Triplett
- Â Self - Pirate Weapons Master 1 episode, 2009
- Peter Crowe
- Â Self - IRA Weapons Expert 1 episode, 2009
- Nathan Lee
- Â Samurai 1 episode, 2009
- Mustafa Speaks
- Â Zande Warrior Expert 1 episode, 2010
- Nathalie Merchant
- Â Hijacker 1 episode, 2010
- Damien Puckler
- Â Self 1 episode, 2010
- Cazzey Louis Cereghino
- Â Taliban Leader 1 episode, 2010
- Dan Southworth
- Â Enemy Soldier 1 episode, 2010
- Chris Jai Alex
- Â Hero Somali Pirate 1 episode, 2010
- Terence J. Rotolo
- Â Roman Weapons Expert 1 episode, 2010
- Jason Faunt
- Â Alexander the Great 1 episode, 2010
- Xingu Del Rosario
- Â Terrorist 1 episode, 2010
- Jean Claude Leuyer
- Â Roman Centurion 1 episode, 2010
- David Sheftell
- Â German Terrorist 1 episode, 2010
- Raven Armando Astone
- Â Aztec Warrior 1 episode, 2010
- Xavier Declie
- Â French Combat Historian 1 episode, 2010
- Dan Mast
- Â Al Capone Gang Member 1 episode, 2010
- Iyad Hajjaj
- Â Rajput trainer 1 episode, 2010
- Mr. Snake
- Â Arab 1 episode, 2010
- Matthew Campbell
- Â Roman Centurion 1 episode, 2010
- Rashad Evans
- Â Self 1 episode, 2010
- Kendall Wells
- Â Self - Bladed Weapons Specialist 1 episode, 2010
- Phillip Dang
- Â Ming Warrior Expert 1 episode, 2010
- David Chan
- Â Ming Rival 1 episode, 2010
- Abraham Justice
- Â Hamas 1 episode, 2010
- Darryl Chan
- Â Mongol 1 episode, 2010
- Danny Le Boyer
- Â Viet Cong weapons expert 1 episode, 2010
- Tess Kielhamer
- Â KGB Agent 1 episode, 2010
- Ray La Rochelle
- Â Warrior 1 episode, 2010
- Jeremiah Caleb
- Â Terrorist 1 episode, 2010
- Myke Michaels
- Â Wallachian Warrior 1 episode, 2010
- Meyer Lansky II
- Â Self - Mafiosi Descendant 1 episode, 2010
- Robert E. Wilhelm
- Â Self 1 episode, 2010
- Thom Tran
- Â Viet Cong Commander 1 episode, 2010
- Peter Nikkos
- Â Augustinus - Roman Legionare 1 episode, 2010
- Joey Rocketshoes Dillon
- Â Self - Gun Expert and Historian 1 episode, 2010
- Brahm Gallagher
- Â Actor 1 episode, 2010
- Michelle Mustard
- Â Wench 1 episode, 2010
- Nevin Millan
- Â Persian Warrior 1 episode, 2010
- Marwan Naji
- Â Mongolian Warrior 1 episode, 2010
- Shane Warren Jones
- Â Bodyguard 1 episode, 2010
- Christopher Bradley
- Â CIA Agent 1 episode, 2010
- Simon Twu
- Â Mao Warrior 1 episode, 2010
- Salmaan Bokhari
- Â Yahya Ayyash 1 episode, 2010
- Chase Rivera
- Â Self 1 episode, 2010
- Wade Harlan
- Â Navy Seal 1 episode, 2010
- Brian Graham
- Â Warrior 1 episode, 2010
- Curtis Kingsley
- Â Turkish Warrior 1 episode, 2010
- Darell M. Davie
- Â Zande Warrior 1 episode, 2010
- Kenneth Sears
- Â KGB Agent 1 episode, 2010
- JW Wiseman
- Â Self - Jesse James Weapons Expert 1 episode, 2010
- Charlie Glackin
- Â Persian Warrior 1 episode, 2010
- Amit Shah
- Â Rajput Warrior 1 episode, 2010
- Luke LaFontaine
- Â Sword Master 1 episode, 2010
- Omar Apanco Salgado
- Â Terrorist 1 episode, 2010
- Lance Lee Davis
- Â Attila the Hun 1 episode, 2010
- Austin Auger
- Â Roman Legionary Soldier 1 episode, 2010
- Joberde Metellus
- Â Zande Warrior 1 episode, 2010
- Jacob Charlot
- Â Zande Warrior 1 episode, 2010
- Johnny Yang
- Â Self / ... 1 episode, 2010
- Rusty Locke
- Â Vlad The Impaler 1 episode, 2010
- Jeff Prewett
- Â Hero Swat 1 episode, 2010
- Brenna Gwyn Snowe
- Â French Partisan 1 episode, 2010
- Daniel Van Dyke
- Â Victor Vladimiravno 1 episode, 2010
- Adam Critchlow
- Â KGB Agent 1 episode, 2010
- Doan Nguyen
- Â Shaolin Monk 1 episode, 2010
- Sherry Shaoling
- Â Concubine 1 episode, 2010
- Adrian Merendon
- Â Celt Warrior 1 episode, 2010
- Yalda
- Â Pedestrian 1 episode, 2010
- Alan Keane
- Â CIA Agent 1 episode, 2010
- Affan Tareen
- Â Warrior 1 episode, 2010
- Nayan Raina
- Â Roman Centurion 1 episode, 2010
- Pasquale Cassalia
- Â Roman Legionary Soldier 1 episode, 2010
- Eliver Ling
- Â Ming Warrior 1 episode, 2010
- Kenji
- Â Self 1 episode, 2010
- Paul S. Kim
- Â Trainee 1 episode, 2010
- Tunson Cunningham
- Â Somali Pirate 1 episode, 2010
- Eder López
- Â Aztec Warrior Expert 1 episode, 2010
- Azael Cavazos
- Â Persian Warrior 1 episode, 2010
- Kyle Kalama
- Â Roman Legionary 1 episode, 2010
- Philip Sahagun
- Â KGB Agent 1 episode, 2010
- Eamon Glennon
- Â Celtic Hero 1 episode, 2010
- Lucas Wolf
- Â Celt Warrior 1 episode, 2010
- Sean Beck
- Â German Op 1 episode, 2010
- Christian Medina
- Â Persian Warrior 1 episode, 2010
- Corin Grant
- Â GSG9 Agent 1 episode, 2010
- Therese Maureen Singleton
- Â CIA Agent 1 episode, 2010
- Scott Roukema
- Â Hero CIA Agent 1 episode, 2010
- Ryan Tyler
- Â Israeli Commando 1 episode, 2010
- Richard Alan Reid
- Â Lawrence of Arabia 1 episode, 2011
- Rick Mora
- Â Lakota Warrior 1 episode, 2011
- Claire Dodin
- Â Joan of Arc Weapons Expert 1 episode, 2011
- Yarett Harper
- Â Spanish Soldier 1 episode, 2011
- Zak Lee
- Â Pancho Villa 1 episode, 2011
- Nick Schroeder
- Â Young Washington 1 episode, 2011
- Christopher Troy
- Â Young Napoleon 1 episode, 2011
- Christopher Bryan Gomez
- Â Zombie 1 episode, 2011
- Mo Zelof
- Â Soldier 1 episode, 2011
- William Joseph Elk III
- Â Lakota Warrior 1 episode, 2011
- Robert Dill
- Â Conquistador 1 episode, 2011
- Reece Kirk
- Â Vampire Hero 1 episode, 2011
- Matt McVay
- Â Cavalryman 1 episode, 2011
- Gábor Piroch
- Â French Lieutenant 1 episode, 2011
- Andy Demetrio
- Â Roman 1 episode, 2011
- Rick Silver
- Â French Commander 1 1 episode, 2011
- Sam Bearpaw
- Â Crazy Horse 1 episode, 2011
- Jason McNeil
- Â William the Conqueror expert 1 episode, 2011
- Chris Nuñez
- Â Young Gurkha 1 episode, 2011
- Nataly Peña
- Â Pancho Villa's sister 1 episode, 2011
- Jack Huang
- Â Mongolian warrior 1 episode, 2011
- Larry A. Lee
- Â William the Conquerer 1 episode, 2011
- Farhan Khan
- Â Republican Guard 1 episode, 2011
- Matt Allmen
- Â Teddy Roosevelt 1 episode, 2011
- Kim Robert Koscki
- Â Lawrence of Arabia Hero 1 episode, 2011
- David Kim
- Â Chinese Villager 1 episode, 2011
- Paul Suda
- Â 18th Century Weapons Expert 1 episode, 2011
- Scott Pretty
- Â Russian Torture Victim 1 episode, 2011
- Matt Mogk
- Â Self 1 episode, 2011
- Eddie Ruiz
- Â Young Crazy Horse 1 episode, 2011
- Troy Bellinghausen
- Â Napoleon Hero 1 episode, 2011
- Santiago Villalobos
- Â Self - Pancho Villa Expert 1 episode, 2011
- Hugh Lehane
- Â King Edward The Confessor 1 episode, 2011
- Timothy Pickles
- Â Self - historical expert - Joan of Arc 1 episode, 2011
- Shawn Cook Contreras
- Â Zombie 1 episode, 2011
- Gary Harper
- Â Teddy Roosevelt Expert 1 episode, 2011
- Artur Lago-V
- Â Tortured Native American 1 episode, 2011
- Virginia Hankins
- Â Joan of Arc 1 episode, 2011
- Nolan Cummings
- Â Zombie 1 episode, 2011
- Sean Williams Leonard
- Â Zombie 1 episode, 2011
- Patrick Chien
- Â Khmer Rouge Soldier 1 episode, 2011
- Neko Kelly
- Â Zombie Hipster 1 episode, 2011
- Fernando Vasquez
- Â Self - Pancho Villa expert 1 episode, 2011
- Wayne E. Lee
- Â Expert on George Washington 1 episode, 2011
- Kyle Schroeder
- Â Professor Lopez 1 episode, 2011
- Hans Kurt Linke
- Â Hannibal 1 episode, 2011
- Chris Merkle
- Â US Army Ranger 3 1 episode, 2011
- Thin Sam
- Â Gurkha Hero 1 episode, 2011
- Daniel Forrer
- Â Ivan the Terrible 1 episode, 2011
- Panuvat Anthony Nanakornpanom
- Â Green beret / ... (uncredited) 5 episodes, 2009-2010
- Travis Wong
- Â Apache / ... (uncredited) 5 episodes, 2009
- Jake Huang
- Â Enemy of Monk / ... (uncredited) 3 episodes, 2009
- Nito Larioza
- Â Apache / ... (uncredited) 2 episodes, 2009
- Jesse Jam Miranda
- Â Maori King Potatau Te Wherowhero / ... (uncredited) 2 episodes, 2009
- Dusty Hyland
- Â Mafia / ... (uncredited) 2 episodes, 2009
- William Romeo
- Â Gladiator (uncredited) 1 episode, 2009
- Bruce Van Patten
- Â Roman Emperor (uncredited) 1 episode, 2009
- Eric Shackelford
- Â Spartan Instructor (uncredited) 1 episode, 2009
- Solomon Brende
- Â Lead IRA (uncredited) 1 episode, 2009
- Keiko Cakes
- Â Geisha Girl (uncredited) 1 episode, 2009
- Juan Jose Dubon
- Â Apache (uncredited) 1 episode, 2009
- Dustin Zahursky
- Â Spartan (uncredited) 1 episode, 2009
- Benjamin Ames
- Â Mafia (uncredited) 1 episode, 2009
- Jon Lee Rabette
- Â Villager (uncredited) 1 episode, 2009
- Xj Wang
- Â Shaolin Warrior (uncredited) 1 episode, 2009
- Robbie Daymond
- Â Aztec Warrior / ... (uncredited) 1 episode, 2010
- Stass Klassen
- Â KGB Expert (uncredited) 1 episode, 2010
- Silvio Wolf Busch
- Â Self (uncredited) 1 episode, 2010
- Autumn Springfield
- Â Greek Woman (uncredited) 1 episode, 2010
- Brian Metran
- Â Viet Cong (uncredited) 1 episode, 2010
- Dennis Mattai
- Â Hun Warrior (uncredited) 1 episode, 2010
- Bhajneet Singh
- Â Rajput Warrior Expert (uncredited) 1 episode, 2010
- Bradford H. Benoit
- Â Celtic Warrior (uncredited) 1 episode, 2010
- Jennifer Sorkin
- Â Zombie Bride (uncredited) 1 episode, 2011