Rondo Hatton
Hal Moffet AKA 'The Creeper'
Tom Neal
Clifford Scott
Jan Wiley
Virginia Rogers Scott
Jane Adams
Helen Paige
Donald MacBride
Police Captain M. J. Donelly
Peter Whitney
Police Lieutenant Gates
Fred Coby
Young Hal Moffet
Janelle Johnson Dolenz
Joan Bemis (as JaNelle Johnson)
Mary Ann Bricker
Mary Ann Obringer (uncredited)
Tristram Coffin
Police Lieutenant / voice of radio announcer (uncredited)
Joseph Crehan
Police Commissioner Salisbury (uncredited)
John Hamilton
Professor Cushman (uncredited)
Frank O'Connor
Policeman at Helen's Apartment (uncredited)
Beatrice Roberts
Nurse (uncredited)
Charles Wagenheim
Pawnbroker (uncredited)
William Ruhl
Policeman at Helen's Apartment (uncredited)
James Nolan
Police Dispatcher (uncredited)
Oscar O'Shea
Mr. Haskins - Grocer (uncredited)
Patrick McVey
Detective at Helen's Apartment (uncredited)
Warren Jackson
Jeweler (uncredited)
Bernard B. Brown
Sound Director
Raymond Kessler
Dialogue Coach
Jean Yarbrough
Director
Maury Gertsman
Director of Photography
Abraham Grossman
Art Direction
Ben Pivar
Producer
Carmen Dirigo
Hairstylist
Ralph Slosser
Assistant Director
M. Coates Webster
Writer
John B. Goodman
Art Direction
Joe Lapis
Sound Engineer
Vera West
Costume Design
Edward R. Robinson
Set Decoration
Dwight V. Babcock
Story
Philip Cahn
Editor
George Bricker
Writer
Russell A. Gausman
Set Decoration
Jack Pierce
Makeup Artist