Rex Bennett
Rod Cameron
Janet Blake
Joan Marsh
Capt. Boschert
Wilhelm von Brincken
Submarine Commandant
William Yetter Sr.
Submarine First Officer
Hans von Morhart
Sir James Langley
Frederick Worlock
French Officer
Ed Agresti
Schloss
Frank Alten
French Supply Terminal Officer
Nino Bellini
Kasar
John Bleifer
French Soldier with Bomb Detector
Jack Chefe
Cave Heavy
John Daheim
Capt. Pierre LaSalle
Duncan Renaldo
Sheik
John Davidson
Elmir
George DeNormand
Sheik Fedallah
Walter Fenner
Blacksmith
Bud Geary
American Officer
Reed Howes
Hassan
Jack La Rue
Sufi
Charles La Torre
Zara
Emily LaRue
Kaba
George J. Lewis
Workman
Carey Loftin
Baron von Rommler / Sultan Abou Ben Ali
Lionel Royce
Abdul
Paul Marion
Marga
Jack O'Shea
Karl Koche
Eddie Parker
Bisra
Eddie Phillips
Sniper
Buddy Roosevelt
Fireman
Ken Terrell
Relzah
Anthony Warde
Ernst Muller
Kurt Kreuger
Wolfe
Frederic Brunn
Luger
Sigfrid Tor
Armand
Georges Renavent
Kurt Hauptmann
Kurt Katch
River Boat Captain
Ralf Harolde
Director
Spencer Gordon Bennet
Music Director
Walter Scharf
Stunt Double
Tom Steele
Writer
Royal K. Cole
Music
Mort Glickman
Art Direction
Russell Kimball
Special Effects
Howard Lydecker
Jesse Duffy
Associate Producer
William J. O'Sullivan
Sound
Earl Crain Sr.
Joseph F. Poland
Editor
Wallace Grissell
Set Decoration
Otto Siegel
Duke Green
Wardrobe Supervisor
Adele Palmer
Director of Photography
William Bradford
Tom Malloy
John McCarthy Jr.
Makeup Supervisor
Ern Westmore
Stunts
Joseph O'Donnell
Theodore Lydecker
Joe Yrigoyen
Robert Ramsey
Ronald Davidson
Basil Dickey
Visual Effects
Gordon Schaefer