Générique complet
The Mysterious Mr. Valentine
William Henry
Steve Morgan
Linda Stirling
Janet Spencer
Virginia Christine
Lola Carson
Thomas E. Jackson
Police Lt. Milo Jones
Barbara Woodell
Rita Armstrong
Kenne Duncan
Sam Priestly
Virginia Brissac
Martha, the Housekeeper
Lyle Latell
Peter Musso, Henchman
Ernie Adams
Frank Gary, Henchman
Tristram Coffin
John Armstrong
Arthur Space
County Coroner
Robert Bice
Doctor
Roy Barcroft
Blackmailer (voice) (uncredited)
Symona Boniface
Landlady (uncredited)
Ed Cassidy
Police Sergeant (uncredited)
JL
James Linn
Reporter (uncredited)
Charles Sullivan
George - the Mechanic (uncredited)
