Credits
Cast
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
Art
Hans Peters
Art Direction
Thomas Little
Set Decoration
Camera
Barney McGill
Director of Photography
Costume & Make-Up
Gwen Wakeling
Costume Design
Directing
Earl Haley
Assistant Director
George Marshall
Director
Editing
Jack Murray
Editor
Production
Nunnally Johnson
Associate Producer
Darryl F. Zanuck
Producer
Writing
Charles Francis Coe
Story
Gene Fowler
Writer
Hal Long
Writer