- Don Francks
- Â Franklin Sheppard 16 episodes, 1966-1967
- Marino Masé
- Â Jean-Gaston Andre 16 episodes, 1966-1967
- John Leyton
- Â Nicholas Gage 16 episodes, 1966-1967
- Peter Mark Richman
- Â Maj. Otto Von Zeeny 2 episodes, 1966
- Antoinette Bower
- Â Marissa 2 episodes, 1966
- Eric Braeden
- Â Major Fredrick Richter / ... 2 episodes, 1966-1967
- Jan Merlin
- Â Lt. Karl Linck 2 episodes, 1966
- Titos Vandis
- Â Cesare Ferretti 2 episodes, 1966
- Alan Caillou
- Â General / ... 2 episodes, 1966
- John Orchard
- Â Mallory 2 episodes, 1966
- Nehemiah Persoff
- Â Paul Marchand 1 episode, 1966
- Tom Bosley
- Â Percy Vandercook 1 episode, 1966
- John Dehner
- Â Oberlieutenant Werner Hobst 1 episode, 1966
- Albert Salmi
- Â Pia Androvic 1 episode, 1966
- Michael Rennie
- Â Major George Quincy 1 episode, 1966
- John Drew Barrymore
- Â Captain Hoeg 1 episode, 1966
- Jay North
- Â Eric Hovstad 1 episode, 1966
- Mark Lenard
- Â Philippe 1 episode, 1966
- Albert Paulsen
- Â Major Bruschke 1 episode, 1966
- William Smithers
- Â Colonel Otto Von Fehrmann 1 episode, 1966
- Vic Damone
- Â Gino Paolini 1 episode, 1966
- John Van Dreelen
- Â Colonel Paul Gunther 1 episode, 1966
- Gunnar Hellström
- Â Col. Heinrich Juger 1 episode, 1966
- Lawrence Dane
- Â Colonel Palmer 1 episode, 1967
- Marianna Hill
- Â Silvana 1 episode, 1966
- James Doohan
- Â Pastor Lutjens 1 episode, 1966
- Gia Scala
- Â Simone DuBray 1 episode, 1966
- Barbara Anderson
- Â Corporal Victoria Bannon 1 episode, 1966
- John Qualen
- Â Heern Hentje 1 episode, 1966
- Phyllis Hill
- Â Madame Danielle Demere 1 episode, 1966
- Frank Marth
- Â Captain Unger 1 episode, 1966
- Danielle De Metz
- Â Lita 1 episode, 1966
- Patric Knowles
- Â Gen. Martin Woodhope 1 episode, 1966
- Milton Selzer
- Â Field Marshal Horst Warschaur 1 episode, 1966
- Tige Andrews
- Â Francois Leboult 1 episode, 1966
- John Wengraf
- Â Monseigneur Paul 1 episode, 1966
- Johnny Seven
- Â Colsimo 1 episode, 1967
- Paul Savior
- Â Herbelin 1 episode, 1967
- Whit Bissell
- Â Franz Neustadt 1 episode, 1966
- Joyce Jillson
- Â Marie Demere 1 episode, 1966
- Susanne Cramer
- Â Kristina Hentje 1 episode, 1966
- Lee Bergere
- Â Colonel Durand 1 episode, 1966
- Malachi Throne
- Â Dr. Vonnekar 1 episode, 1966
- Lawrence Montaigne
- Â Lucien 1 episode, 1966
- Patricia Huston
- Â Dr. Barbier 1 episode, 1966
- Jacqueline Beer
- Â Denise 1 episode, 1966
- Curt Lowens
- Â German Lieutenant 1 episode, 1966
- Lew Gallo
- Â Sven Bjornssen 1 episode, 1966
- Louis Mercier
- Â Gen. Latere 1 episode, 1966
- Peter Church
- Â Lieutenant Hayworth 1 episode, 1966
- Lennie Weinrib
- Â Bellegambe 1 episode, 1967
- Laurie Main
- Â Horatio 1 episode, 1967
- Kym Karath
- Â Marie Hovstad 1 episode, 1966
- Mala Powers
- Â Magva Androwski 1 episode, 1966
- Wilhelm von Homburg
- Â German Sergeant 1 episode, 1966
- Karl Held
- Â German Lieutenant 1 episode, 1966
- Fred Beir
- Â S.S. Lieutenant 1 episode, 1966
- Christopher Cary
- Â DeBrueler 1 episode, 1966
- Lisa Pera
- Â Felice Mordain 1 episode, 1966
- Martin Kosleck
- Â Colonel Christian Haas 1 episode, 1966
- Eduardo Ciannelli
- Â Bonaface 1 episode, 1966
- Richard Angarola
- Â Mikhail 1 episode, 1966
- Lisa James
- Â Janine DeLattre 1 episode, 1966
- Émile Genest
- Â Monsieur Andre 1 episode, 1966
- Danny Klega
- Â Aide 1 episode, 1966
- Donna Baccala
- Â Lucianna 1 episode, 1967
- Marilyn Devin
- Â Nicole Vauclin 1 episode, 1967
- Rex Holman
- Â German Lieutenant 1 episode, 1966
- Gregory Morton
- Â General Luders 1 episode, 1966
- Paul Sorensen
- Â Gen. Audison 1 episode, 1966
- Renata Vanni
- Â Donna Maria Grazia 1 episode, 1966
- William Wintersole
- Â Lieutenant Stennes 1 episode, 1966
- Norbert Schiller
- Â Henri Dinant 1 episode, 1966
- C. Lindsay Workman
- Â Mayor Hovstad 1 episode, 1966
- Bill Shannon
- Â Kessler 1 episode, 1966
- Tony Benson
- Â Gilbert 1 episode, 1966
- Arthur Malet
- Â Alfie 1 episode, 1967
- Robert Cornthwaite
- Â DuFaure 1 episode, 1967
- John Crawford
- Â Captain Eric Harnack 1 episode, 1966
- Virginia Christine
- Â Frau Luders 1 episode, 1966
- Ben Wright
- Â Mallory 1 episode, 1966
- Barbara Luddy
- Â Madame Bonaface 1 episode, 1966
- Harlan Warde
- Â General 1 episode, 1966
- Gregory Gaye
- Â General Mueller 1 episode, 1966
- Harold Dyrenforth
- Â Col. Sturmholz 1 episode, 1966
- Willi Koopman
- Â Ulla Bjornssen 1 episode, 1966
- Jon Whiteley
- Â Louis Mordain 1 episode, 1966
- Paul Busch
- Â German Officer 1 episode, 1966
- Graydon Gould
- Â Lieutenany Boysen 1 episode, 1966
- Cicely Walper
- Â Sylvia 1 episode, 1966
- Rick Traeger
- Â Frisch 1 episode, 1966
- Kurt Landen
- Â Lt. Getzler 1 episode, 1966
- Parley Baer
- Â Major von Ernst 1 episode, 1967
- Paul Comi
- Â Feldhaus 1 episode, 1967
- Ian Wolfe
- Â Sir Arthur Longworth 1 episode, 1966
- Rafael Campos
- Â Peter 1 episode, 1966
- Ted de Corsia
- Â Giroux 1 episode, 1966
- Arthur Batanides
- Â Martini 1 episode, 1966
- Ann Ayars
- Â Madame Perazzo 1 episode, 1966
- Barry Cahill
- Â Thomm 1 episode, 1966
- Ivan Triesault
- Â Dr. Marigny 1 episode, 1966
- Anthony Eustrel
- Â Claude 1 episode, 1966
- Arthur Gould-Porter
- Â Man in Tea Shop 1 episode, 1966
- Chris Anders
- Â German Soldier 1 episode, 1966
- Amber Flower
- Â Karen Hovstad 1 episode, 1966
- Zolya Talma
- Â Housekeeper 1 episode, 1966
- Laurence Conroy
- Â M.P. Captain 1 episode, 1966
- John Mylong
- Â DuLessier 1 episode, 1967
- William Boyett
- Â Recon Sergeant 1 episode, 1966
- Barry Atwater
- Â Major Henning 1 episode, 1966
- Gary Dubin
- Â Younger Ferretti Boy 1 episode, 1966
- Joseph V. Perry
- Â Italian Commander 1 episode, 1966
- George DeNormand
- Â General Mueller 1 episode, 1966
- Kort Falkenberg
- Â German Courier 1 episode, 1966
- Norbert Siegfried
- Â Maat 1 episode, 1966
- Billy Barty
- Â Giorgio 1 episode, 1967
- Walter Koenig
- Â Paul 1 episode, 1966
- Lee Delano
- Â Faviano 1 episode, 1966
- Danny Kulick
- Â Older Ferretti Boy 1 episode, 1966
- William Woodson
- Â Narrator (uncredited) 16 episodes, 1966-1967
- Gene Coogan
- Â Bank Clerk / ... (uncredited) 7 episodes, 1966-1967
- Louie Elias
- Â Soldier / ... (uncredited) 6 episodes, 1966
- Lars Hensen
- Â Soldier / ... (uncredited) 5 episodes, 1966-1967
- Emma Palmese
- Â Villager / ... (uncredited) 3 episodes, 1966-1967
- Frank Baker
- Â Cafe Patron / ... (uncredited) 3 episodes, 1966
- Mark Russell
- Â German Soldier (uncredited) 2 episodes, 1966-1967
- Bill Hickman
- Â Motorcycle Officer / ... (uncredited) 2 episodes, 1966
- David Armstrong
- Â Agent / ... (uncredited) 2 episodes, 1966
- Pete Kellett
- Â Agent / ... (uncredited) 2 episodes, 1966
- Charles Cirillo
- Â Villager / ... (uncredited) 2 episodes, 1966
- Paul Ravel
- Â Commuter at Station / ... (uncredited) 2 episodes, 1966
- Monty O'Grady
- Â Townsman (uncredited) 1 episode, 1966
- Henry Rowland
- Â SS Officer (uncredited) 1 episode, 1966
- Dick Crockett
- Â Soldier (uncredited) 1 episode, 1966
- Hank Robinson
- Â Tea Shop Patron (uncredited) 1 episode, 1966
- Ron Nyman
- Â Guard (uncredited) 1 episode, 1966
- Eddie Garrett
- Â Soldier (uncredited) 1 episode, 1966
- Danny Borzage
- Â Villager (uncredited) 1 episode, 1966
- Nick Borgani
- Â Underground Member (uncredited) 1 episode, 1966
- Jack Tornek
- Â Cafe Patron (uncredited) 1 episode, 1966
- Phil Schumacher
- Â Soldier (uncredited) 1 episode, 1966
- Horst Ebersberg
- Â Gunther (uncredited) 1 episode, 1966
- Dick Cherney
- Â Gestapo Agent (uncredited) 1 episode, 1966
- Cap Somers
- Â Captain (uncredited) 1 episode, 1966
- Ken DuMain
- Â Soldier (uncredited) 1 episode, 1966
- Richard LaMarr
- Â Cafe Patron (uncredited) 1 episode, 1966
- Ernesto Molinari
- Â Underground Member (uncredited) 1 episode, 1966
- Rudy Germane
- Â Orchestra Member (uncredited) 1 episode, 1966
- Anthony Redondo
- Â Underground Member (uncredited) 1 episode, 1966
- Victor Romito
- Â Orchestra Member (uncredited) 1 episode, 1966
- George Blagoi
- Â Soldier (uncredited) 1 episode, 1966
- Harry Raven
- Â Orchestra Member (uncredited) 1 episode, 1966
- Warren James
- Â Sentry (uncredited) 1 episode, 1966
- Michael Jeffers
- Â Gateman (uncredited) 1 episode, 1967
- Bud Cokes
- Â Merchant (uncredited) 1 episode, 1967
