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