Cast
Sam Hayes
Radio Announcer (uncredited)
Dick Purcell
Trapped Draegerman (uncredited)
Myrtle Stedman
Nurse (uncredited)
Paul Panzer
Pierre - Man Carrying Injured Suzy (uncredited)
Russ Powell
Toby - the Bartender (uncredited)
Robert Barrat
Martin Crane
Gordon Oliver
Pete Lawson
Herbert Heywood
Steve
John J. Richardson
Jack - Pete's Co-Worker (uncredited)
Barton MacLane
Andrew Beaupre
Addison Richards
John McNally
Helen MacKellar
Mrs. Mary Haslett
Joseph Crehan
Dr. Stuart Hunter
Walter Miller
Maxwell
Ben Hendricks Jr.
Captain Harper
Eddy Chandler
Driller (uncredited)
Jean Muir
Ellen Haslett
Henry O'Neill
Dr. Thomas Haslett