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