Discover
Victor Jory
Spike Holland
Iris Meredith
Valerie Howett
James Craven
Abel Bellamy
Robert Fiske
Savini
Dorothy Fay
Elaine Bellamy
Forrest Taylor
Parker Howett
Jack Ingram
Henchman Brad
Joseph W. Girard
Inspector Ross
Kit Guard
Dinky Stone
Fred Kelsey
Capt. Thompson
Jack Cheatham
Cop / Detective Charlie
Edmund Cobb
Stevens / Agent 4-X / Thug Pilot
Kernan Cripps
Frank
Charles Dorety
Thug
Kenne Duncan
Michael Bellamy
John Elliott
Brewster
Herbert Evans
Henderson
Franklyn Farnum
Pete
Al Ferguson
Butch
Eddie Fetherston
Turk Martin
Chuck Hamilton
Kardak
Harry Harvey
Martin
Edward Hearn
Cop
Jack Hendricks
Lab Guard
Lloyd Ingraham
Worthington
Warren Jackson
Theater Attendant Charlie
John Paul Jones
Tinder
Johnny Kascier
Jake
Charles King
Tardoni
Tom London
Detective with Shiner
Sam Lufkin
Thug
Mary MacLaren
Mrs. Patton
Knox Manning
Narrator (voice)
Bruce Mitchell
Cop
Bud Osborne
Lanton
Fred Parker
Train Conductor
Constantine Romanoff
West
Dick Rush
Cop
Cy Schindell
Darcy
Harry Tenbrook
Vrooner
Anthony Warde
Lefty Brent
Duke York
Martel aka Harry Madison
Bert Young
Biff
Directing
James W. Horne
Director
Directing
James W. Horne
Director