The Mad Doctor

Basil Rathbone

Ellen Drew

John Howard

Barbara Jo Allen

Ralph Morgan

Martin Kosleck

Kitty Kelly

Hugh O'Connell

Henry Victor

Wanda McKay

James Seay

William Benedict

George Chandler

Edward Earle

Harry Hayden

Douglas Kennedy

Charles McAvoy

Howard M. Mitchell

Ruth Rogers

Sheila Ryan

Hugh Sothern

Max Wagner