Edna May Oliver
Miss Hildegarde Martha Withers
Robert Armstrong
Barry Costello
James Gleason
Police Inspector Oscar Piper
Mae Clarke
Gwen Parker
Donald Cook
Philip Seymour
Edgar Kennedy
Officer Donovan
Clarence Wilson
Bertrand B. Hemingway
James Donlan
Security Guard Fink
Gustav von Seyffertitz
Von Donnen / Dr. Max Bloom
William Le Maire
MacDonald
Joe Hermano
Chicago Lew
Guy Usher
Parker
Rochelle Hudson
Telephone Operator
Wilfrid North
Judge
Sidney Miller
Student with Glasses Isadore Marks (uncredited)
A.S. Byron
Jailer Strauss (uncredited)
Edith Fellows
Little Girl at Aquarium (uncredited)
Chuck Hamilton
Jack, Policeman (uncredited)
Mary Mason
Parker's Secretary (uncredited)
Dorothy Vernon
Purse Snatching Victim at Aquarium (uncredited)