New York schoolmarm Hildegarde Withers assists a detective when a body of unscrupulous stockbroker Gerald Parker suddenly appears in the penguin tank at the aquarium.
as Miss Hildegarde Martha Withers
as Barry Costello
as Police Inspector Oscar Piper
as Gwen Parker
as Philip Seymour
as Officer Donovan
as Bertrand B. Hemingway
as Security Guard Fink
as Von Donnen / Dr. Max Bloom
as MacDonald
as Chicago Lew
as Parker
as Telephone Operator
as Judge
as Student with Glasses Isadore Marks (uncredited)
as Jailer Strauss (uncredited)
as Little Girl at Aquarium (uncredited)
as Jack, Policeman (uncredited)
as Parker's Secretary (uncredited)
as Purse Snatching Victim at Aquarium (uncredited)