Patrick Norris
Bruce Bennett
Lola Hobbs
Florence Rice
Mr. DeSoto
Danton Ferrero
Detective Bennett
George Anderson
Joe Carpa
Duke York
Henchman Bishop
Eddie Laughton
Henchman Scarlatti
George Magrill
Henchman Felton
Cy Schindell
Walter A. Adams, gang accountant
Sam Ash
Walter W. Carter
John Dilson
Bill "Goldy" Golden
George McKay
Mom Norris
Jessie Perry
Sam O'Donnell
Barton MacLane
Lou Boyd
Joe Downing
Police Chief Hobbs
Joseph Crehan
Dr. Talbot
Howard Hickman
Prof. Holtz
Edward Van Sloan
Prof. Cordet
P.J. Kelly
Maj. Blaine
Don Beddoe
Mr. Brooks
William Forrest
Director
James Moore
Story
Robert Tasker
Screenplay
Dean Jennings