Phil Hubert
Dan McTavish
Phillippe
Ted Sheldon
Frank Devereaux
Hugh Stanton
Samuel Radburn - Gold Digger
Dean Laddbarry
Jerry Langdon
Admah Holtz
Lamont Granston
Glenn Abbott aka 'Dynamite'
Belknap Jackson
Roger Norman
Bob Brown
Amos Burden
Inspector Joachim
Prince Ahmed
Prince Albert
Etienne Gerard
Jacques Benoit
Lamont Cranston
Dick Clayton
Jerry Cleggett
Lawrence Thomas Jr.
Neil DuBeck
Carl Schrottle
Her Sweetheart
Bruce McDow
Capt. Alexei Czerny
Self
Jaime Emmanuel Alvarado Montez
Gideon Gory
Mr. Brunelli
O.P. Dildock
Bob Griswold
Lastro
Escurra, aka Captain Garcia
Dr. Carl Lawrence
The Blackmailer
Prince Dimitry Ivanitch Nekhludov
Ronald Bentley
Larry Grahame
Kerry Harlan
Prof. Kenneth Parker
Michel
Captain Swagger / Hugh Drummond
Self (uncredited)
Braveheart
Alan Beckwith
Dan Elliott
Montero
Patrick Delaney
Pedro Carrova
Bob Standing
Paul Braddock
King Garnet
Chauffeur
Daniel Farr
Tod Waterbury
Wimple