Full Credits
17 members

Edna May Oliver
Hildegarde Withers

James Gleason
Police Insp. Oscar Piper

Bruce Cabot
Stevens

Gertrude Michael
Jane Davis

Regis Toomey
Detective Smiley North

Edgar Kennedy
Detective Donahue

Tully Marshall
MacFarland

Jackie Searl
Leland

Frederick Vogeding
Otto (as Fredrik Vogeding)
Barbara Fritchie
Louise

Gustav von Seyffertitz
Dr. Von Immen
Tom Herbert
Detective McTeague

Jed Prouty
Dr. Levine

Wade Boteler
Bearded Diner (Uncredited)

Tommy Bupp
School Boy (uncredited)

Frank Mills
Diner Counterman (uncredited)
Monte Vandergrift
Policeman (uncredited)
19 members
George Archainbaud
Director
Thomas Atkins
Assistant Director
Willis Goldbeck
Screenplay
Stuart Palmer
Novel
Pandro S. Berman
Executive Producer
Kenneth Macgowan
Associate Producer
Nicholas Musuraca
Director of Photography
Ollie Sigurdson
Still Photographer
Frank Redman
Camera Operator
Willard Booth
Assistant Camera
Bernhard Kaun
Original Music Composer
Max Steiner
Original Music Composer
Max Steiner
Music Director
John L. Cass
Sound Recordist
Albert S. D'Agostino
Art Direction
Van Nest Polglase
Art Direction
Walter Plunkett
Costume Design
Harry Redmond Sr.
Special Effects Supervisor
Archie Marshek
Editor