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