Paul Kelly
— 'Scoop' Hanlon
Constance Moore
— Stephanie Kirkland
William Lundigan
— Larry Dearden
Edwin Stanley
— Dr. Carroll
Selmer Jackson
— Frank Baldrich
Billy Wayne
— 'Vic'
George Cooper
— 'Jake'
P.J. Kelly
— Edwards - the Butler
Florence Wix
— Linda Baldrich
Harlan Briggs
— Frank Kendall - Editor
Pat C. Flick
— Nikolaus Popoulos - Inventor
Thomas Carr
— Minor Role
Myrtis Crinley
— Minor Role
Allen Fox
— Minor Role
John Harmon
— Baldrich's Guard
George Ovey
— Gatekeeper
Raymond Parker
— Wolf
Michael Slade
— Brown - Kendall's Assistant (uncredited)
Leonard Sues
— Office Boy
Guy Usher
— Police Inspector McDonald
Margo Yoder
— Maid