Hildegarde Withers
Edna May Oliver
Inspector Oscar Piper
James Gleason
Dr. Max Von Immen
Gustav von Seyffertitz
Detective McTeague
Tom Herbert
Dr. Levine
Jed Prouty
Bearded diner (Uncredited)
Wade Boteler
School boy (uncredited)
Tommy Bupp
Diner Counterman (uncredited)
Frank Mills
Policeman (uncredited)
Monte Vandergrift
Addison
Bruce Cabot
Jane Davis
Gertrude Michael
Detective Smiley North
Regis Toomey
Detective Donahue
Edgar Kennedy
Mr. MacFarland
Tully Marshall
Leland Stanford Jones
Jackie Searl
Otto Schweitzer, the Janitor (as Fredrik Vogeding)
Frederick Vogeding
Louise Halloran
Barbara Fritchie
Director of Photography
Nicholas Musuraca
Director
George Archainbaud
Costume Design
Walter Plunkett
Art Direction
Albert S. D'Agostino
Original Music Composer
Max Steiner
Writer
Willis Goldbeck
Executive Producer
Pandro S. Berman
Van Nest Polglase
Associate Producer
Kenneth Macgowan
Bernhard Kaun
Editor
Archie Marshek
Still Photographer
Ollie Sigurdson