Robert Woolsey as Alexander

Bert Wheeler as Wilbur

Raquel Torres as Leader of Amazon Women

Esther Muir as Mrs. Johnson-Martini

Berton Churchill as President

Henry Armetta as Street Cleaner

Spencer Charters as Doctor

Henry Armetta as Street Cleaner (uncredited)

Eddie Clayton as Elevator Operator (uncredited)

Patricia Douglas as Amazon Dancer (uncredited)

Charles Gemora as Josephine the Gorilla (uncredited)

Juanita Moore as Dancer (uncredited)

Clarence Moorehouse as Gorilla (uncredited)