Dr. Johns
professor Amundsen
Enrico Cavallari
Grant
American Commando Leader
Donovan
Guide
Marquis Coppafrata (uncredited)
Stefano's father
Anselmi
Fritz von Merkel
Count Richard Marnack
Riccardo Murri
Carlo Salvi (as Giacomo Rossi-Stuart)
Jack Donati
Giulio Morganti
Dr. von Ravensbrück - Walter's Father
Richard Leighton
Marco
Victor Morgan
Hawkins, Pinkerton detective
Dr. Richard Timberlane
Donald Forrest
Johnny MaGee / Django
Giovanni's Brother
Ted Collins
Schwalberg
Major Powell
Pvt. Kendall
Lt. Tibbitt
One of Gutierrez' Officers
Gert Muller
Major Carter
Comandante del Lager
Don Pedro
Kohler
Prado
Jeff Gordon / Agent Z-55 (as Jack Stuart)
Cmdr. Rod Jackson
Roland
Hitman
Cmdr. Rod Jackson
Dr. Paul Eswai
King Arald
Norman Sandel
Quents
Tremal Naik
Sheriff Burt Cooley
Reginald Milliner
Ben Cortman
Sheriff Gary Smith
Vannozzo Duchesca
Sheriff Lance Corbett
Soldato austriaco (uncredited)
Count Poniatowski
(as Giacomo Rossi-Stuart)
Eurialo
Prof. Rodriguez's Assistant
Stuart (uncredited)
Rosati
il duca Paolo Bressi