Victor McLaglen

Dannie O'Neill

Walter Connolly

Michael Steele

Peter Lorre

Professor Sturm

June Lang

Sheila O'Neill / Nancy Steele

Robert Kent

Jimmie Wilson

Shirley Deane

The false Nancy Steele

John Carradine

Harry Wilkins

Jane Darwell

Mrs. Mary Flaherty

Frank Conroy

Dan Mallon