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