Harold Young

Director

Otto Kruger

Dr. Stendahl

Vicky Lane

Paula Dupree - the Ape Woman

Amelita Ward

Ann Forrester

Phil Brown

Don Young

Jerome Cowan

Detective W.L. Harrigan

Rondo Hatton

Moloch the Brute

Eddie Acuff

Bill

Ernie Adams

Jim

Charles Wagenheim

Fred

Eddy Chandler

Motorcycle Cop