Calificación
Reparto

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

Granville Bates
Flaherty

Everett Brown
Billy Tarabull