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