Trailer
Cast
John Carradine
Dr. Sigmund Walters
Turhan Bey
End Narrator (voice)(uncredited)
Fern Emmett
Beth's Murdered Neighbor (uncredited)
Ray Walker
Ringmaster (uncredited)
Anthony Warde
Tony - Handler (uncredited)
Grant Withers
Veterinarian (uncredited)
Martha Vickers
Dorothy Colman
Edward Peil Sr.
Jake - Handler (uncredited)
Eddie Borden
Dock Spectator (uncredited)
Vince Barnett
Curly
Paul Fix
Gruen
Harry Holman
Dock Ticket Office Clerk
Stanley Price
Man on Dock (uncredited)
Frank Mitchell
Handler (uncredited)
Charles Morton
Dock Worker (uncredited)
Cap Somers
Roustabout (uncredited)
Evelyn Ankers
Beth Colman
Milburn Stone
Fred Mason
Lloyd Corrigan
John Whipple
Fay Helm
Nurse Strand
Charles McAvoy
Cop (uncredited)
Fred Aldrich
Roustabout (uncredited)
William Gould
Sheriff (uncredited)
Acquanetta
Paula Dupree, the Ape Woman
Clyde Beatty
Fred Mason (in long shots) (archive footage / uncredited)
Ray Corrigan
Cheela the Gorilla (uncredited)
Tom London
Ship's Captain (archive footage)
Joey Ray
Attendant (uncredited)