William Castle
Director
Eric Taylor
Screenplay
Philip Tannura
Director of Photography
Eric Taylor
Story
Rudolph C. Flothow
Producer
Dwight Caldwell
Editor
J.S. Westmoreland
Sound Mixer
Robert Priestley
Set Decoration
Jack Haynes
Sound
Hans Radon
Art Direction
Carl Hiecke
Assistant Director
James Goss
Camera Operator
Mario Castelnuovo-Tedesco
Additional Music
Juanita L. Bell
Researcher
Mischa Bakaleinikoff
Music Director
Paul Sawtell
Additional Music
George Duning
Original Music Composer
Wilbur Hatch
Original Music Composer
Richard Dix
Don Gale
Barton MacLane
Detective Taggart
Nina Vale
Joan Hill, Gale's Secretary
Regis Toomey
James Summers
Helen Mowery
Freda Hanson
Mike Mazurki
Harry Pontos
Pamela Blake
Elora Lund
Charles Lane
Detective Burns
Paul E. Burns
Edward Stillwell
Kathleen Howard
Rose Denning
Harlan Briggs
Mr. Brown
Jessie Arnold
Woman in Window (Uncredited)
Stanley Blystone
Henry (Uncredited)
Jack Carrington
Bartender (Uncredited)
Eddy Chandler
Cop in Squad Car (Uncredited)
Kernan Cripps
Kelly (Uncredited)
Edith Evanson
Mrs. Ward (Uncredited)
Otto Forrest
The Whistler (Voice) (Uncredited)
Martín Garralaga
Detective (Uncredited)
Selmer Jackson
Dr. Connell (Uncredited)
Charles Jordan
Desk Clerk (Uncredited)
Donald Kerr
Reporter (Uncredited)
Joe Palma
Police Guard Outside Stillwell's Store (Uncredited)
Arthur Space
Davis (Uncredited)
Dan Stowell
Reporter (Uncredited)
Harry Strang
Police Desk Sergeant (Uncredited)
Isabel Withers
Miss Gordon (Uncredited)
