- M.C. Gainey
- Priest
- Paul Soter
- Jan Wolfhouse
- Erik Stolhanske
- Todd Wolfhouse / Young Baron Ludwig
- Cloris Leachman
- Great Gam Gam
- Jürgen Prochnow
- Baron Wolfgang von Wolfhausen
- Cameron Scher
- Helmut
- Owain Yeoman
- Aussie Sailor #1
- Tom Tate
- Aussie Sailor #2
- Allan Graf
- Soup Waiter
- Chris Moss
- German Producer
- Bjorn Johnson
- Mr. Schniedelwichsen
- Kevin Heffernan
- Landfill / Gil / Sausage Lady
- Jay Chandrasekhar
- Barry / Blind Sikh
- Steve Lemme
- Fink / Emcee
- Collin Thornton
- Little Boy
- Pab Schwendimann
- Door Bouncer
- Philippe Brenninkmeyer
- Herr Referee
- Jessica Williams
- Inga
- Steven Michael Quezada
- Mexican
- Aaron Hendry
- Pim Scutney
- Michael Yurchak
- Rog Gobshire
- Will Forte
- Otto
- Nat Faxon
- Rolf
- Eric Christian Olsen
- Gunter
- Ralf Moeller
- Hammacher
- Gunter Schlierkamp
- Schlemmer
- Blanchard Ryan
- Krista Krundle
- Isaac Kappy
- Hustler
- Mo'Nique
- Cherry
- Robert Douglas Washington
- Viking Master
- Leanna Kristen Woodley
- Little Tough Chick
- Audrey Marie Anderson
- Giddy Girl #1
- Megan Robinson
- Giddy Girl #2
- Arron Shiver
- Strike Out Kid
- Justin Ocksrider
- Camera Phone Kid
- Amber Hay
- 'Cops' Girl
- Galen Hutchison
- Wiseass Partygoer
- James Roday Rodriguez
- German Messenger
- Marya Beauvais
- Sandy Cook
- Anna Lane
- Dancing Girl
- Candace Smith
- Naomi
- Brittney Higgins
- Todd's Wife
- Sarah Figoten
- Young Gam Gam
- Marc Mouchet
- Karl Schumacher
- Simona Fusco
- Ulsa
- James Grace
- Canadian #1
- Tom Carver
- Canadian #2
- Ben Zeller
- Spectator #1
- Ivan Brutsche
- Spectator #2
- Sabrina JÃ vor
- Rog's Girl
- Rohit Sang
- Raj Kumar
- Richard Perello
- Bartender Percy McButtons
- Gary Kanin
- Old Vet
- Dennis Gubbins
- Video Camera Operator
- Dan Fey
- Gam Gam's 'John'
- Artist W. Robinson
- Taxi Driver
- Christopher Hagen
- Elderly Man
- Chloe Alexa Ibanez
- Waitress
- Giancarlo Abriola
- Irishman
- Braden Anderson
- Canadian Drinking Team Member
- Michael Ark
- Drunk Aussie Sailor / Singer (uncredited)
- James Blackburn
- Irish Drinking Team Captain
- Kimberly Bosso
- St. Paulie Girl Waitress
- Corey Brown
- Festival Patron
- Michelle Chase
- Hot Girl Sprayed by Keg
- Sam Cobean
- Funeral Mourner
- Dave Colon
- Bar Patron
- Kerri Daube
- Wet T-shirt girl
- Paul Edney
- Munich Oktoberfest Singer
- Hugh Elliot
- German Businessman
- Scott Flick
- European Aristocrat
- Fortunato Frattasio
- American Tourist
- Paul Haasch
- Aussie Sailor
- Nancy Ann Hibbs
- Arena Personnel
- Moy Hinojos
- Mexican Drinking Team Member
- Sara Holden
- Beer Wench
- Bruce Holman
- Xylophone player
- Brian Hudson
- Lederhosen Guy / Funeral Attendee (uncredited)
- Philip Kamhi
- Drunk Aussie Sailor / Singer (uncredited)
- Lux Kassidy
- Swedish Team Member
- Johnny Byul Lee
- Festival Goer
- Mandi Leigh
- Beer Waitress
- Chauntal Lewis
- Girl Sprayed by Keg
- Erin Macdonald
- Partygoer
- William E. Marshall
- Patron
- Ryan McGonagle
- Drunk Irish Fan
- Mike McKenny
- Baron's Henchman
- William Myers
- Bar Patron
- Meriah Nelson
- Topless Girl #1
- Willie Nelson
- Self
- Ben Nolte
- French BeerBong Rooter
- L.G. Ross
- Beerfest Patron
- Lucas Ruggles
- Gang Member / Alter Boy (uncredited)
- Charles Sans
- Old Man at Festival
- Joseph Sims
- Beerfest Patron
- Logan Steele
- Aussie Sailor / Singer (uncredited)
- Donald Sutherland
- Johann von Wolfhaus
- Genevieve Trainor
- Gretchen
- Steven Vulin
- Drunken Aussie
- Z. Ray Wakeman
- European Aristocrat
- Wil Willis
- British Team Member
- Julian Wondolowski
- European Businessman
- Maria Zambrana
- Beerfest Patron
- Paul Zepeda
- European Frat Boy
