All Cast
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)