Cpl. Denno (archive footage) (uncredited)
Wilton Knight
Narrator (Self)
John Huston
Vladimir Skrapinov
Himself
Duke of Kentland
Manny Benchly
Sayer of the Law
John Cutler
Elliott Osborn
Willy Brandt
Dr. Leonard Chaney
Dr. Joshua Henderson (1871)
Carl Brenner
Schiller
Dr Douglas Pruitt
Dr. Roy Caldwell
Angus Keough
Nye Buell
Maj. Barney Caldwell
Robert Barnes
The President
Host / Narrator
Henry Wirz
Brig. Gen. Russell Hamner
Dr. Boeker
Acteur
Dr. Gregor Hoffman
Narrator
Narrator (voice)
Ah Min
Steve Fallon
Adolf Hitler
Don Benton
Father Phelan
Howard Mason
Eric Reinhardt
George Rancourt
Wittkuhn
Ivan Karamazov
Maj. Harry Cargill
Martino
Ishmael
Reginald 'Reggie' Wilson
Joe Blake
Ing. Stefano Manfredi
Picasso
Il conte Jacques de Maudy
Larry Kendall
Il 'Matto'
Dottor Stefano Luprandi
Joe Halsey
Joe Hamstringer
George S. Headley
Lt. Dick Rennick
Cpl. Denno
Alan Spender
Robert Cosick
Larry Nelson
Warren Quimby
Maximilian Robespierre
Mounts Hatfield
Roy Martin / Roy Morgan
James Caldwell Demarest
William Williams
