Narrator
Max the Computer (voice)
Col. Tubman
Gas Station Attendant
Doc Wheelan
J. Edgar Hoover
Detective O'Brien
Marshal Riese
Sheriff Holtzman
Special Effects Man
Bartender
Patsy
Capt. O'Neal
Amos Burns
Otis Duncan
Willard Edson
Gregorio
Gen. Lewis Meyers
Inspector Joseph Medford
Self (archival footage)
Columbus Smith
Brian F. Stroud
Luke Starr
Sheriff
Col. Lenox
Joe Harbin
MP Major
Harrigan
Man in hotel (uncredited)
Don Sancho
Warden
Dr. Stefan Bernardi
Re Eurito (King Eurystheus)
Henry Scott
Capt. 'Waco' Grimes, CO Co.G
Vinnie Harold
Augusto
Dr. Aarons
Nahum
Rollo Lamar
Charlie Lupo
John 'Ripley
Carl Buckley
Charles Leatherby
Sheriff John Frazier
Sgt. Matt Trainor
Remy Marko
Thomas Craden
Mark Chapman
Johnny Damico
Harry Brock
George Knowland
Johnny Phelan
Willie Stark
Frank
C.L. Shawn
Mr. Botts
William Morgan
Captain Kinsella
Ernie Hicks
Chips Jackson
Captain Flood
Louis Prentiss
Brod - Factory Worker
Dude McNair
Henry Clay Jackson
Steve Crandall
Jug Martin
Aloysius 'Butch' Grogan
John Thorn
Chuck
Bob Holliday
Speedy Miller
Hubert A. Gilmore 'Gil' Smith
Mace Townsley
Little Ned
Bob Dalton
Michael G. 'Sonny' McGann
Russel Sampson
Don Burns
Lieut. Larsen
Tex Ballister
Hank Miller
Eddie Krator
Archibald 'Doc' Finney
Randall
Biff Gordon
