Full Credits
15 members

Marten Lamont
Jerry Blake

Helen Talbot
Joyce Kingston

George J. Lewis
Jim Belmont

Lorna Gray
Rita Parker

Hal Taliaferro
Matt Farrell

LeRoy Mason
Morton
William Stevens
Agent Fred Martin

Maurice Cass
Signor Giuseppe Morello

Kernan Cripps
Agent Thomas Jeffries
Elaine Lange
Countess Delremy
Frank Jaquet
Warren Hunter

Forrest Taylor
Otto Wolfe

Jay Novello
Heinrick

Tom London
Prof. Crawford

Jack Ingram
Riggs
21 members
Spencer Gordon Bennet
Director
Yakima Canutt
Director
Wallace Grissell
Director
Albert DeMond
Screenplay
Basil Dickey
Screenplay
Jesse Duffy
Screenplay
Joseph F. Poland
Screenplay
Ronald Davidson
Producer
Bud Thackery
Director of Photography
Richard Cherwin
Music Director
Bob Mark
Makeup Artist
Cliff Bell Sr.
Editor
Harold Minter
Editor
Victor B. Appel
Sound Recordist
Howard Lydecker
Special Effects
Theodore Lydecker
Special Effects
Fred Graham
Stunts
Duke Green
Stunts
Tom Steele
Stunts
Dale Van Sickel
Stunts
Ken Terrell
Stunts