Full Credits
22 members

Jean Muir
Ellen Haslett

Barton MacLane
Andrew Beaupre

Henry O'Neill
Dr. Thomas Haslett

Robert Barrat
Martin Crane

Addison Richards
John McNally

Helen MacKellar
Mrs. Mary Haslett

Gordon Oliver
Pete Lawson

Joseph Crehan
Dr. Stuart Hunter
Priscilla Lyon
Suzanne Haslett

Walter Miller
Maxwell

Herbert Heywood
Steve

Ben Hendricks Jr.
Captain Harper
Tom Browner
Newspaper Reader (uncredited)

Eddy Chandler
Driller (uncredited)
Neal Dodd
Priest (uncredited)

Sam Hayes
Radio Announcer (uncredited)
Henry Otho
Gene - Rescue Worker (uncredited)

Paul Panzer
Pierre - Man Carrying Injured Suzy (uncredited)

Russ Powell
Toby - the Bartender (uncredited)

Dick Purcell
Trapped Draegerman (uncredited)

John J. Richardson
Jack - Pete's Co-Worker (uncredited)

Myrtle Stedman
Nurse (uncredited)
11 members
Louis King
Director
Anthony Coldeway
Original Story
Anthony Coldeway
Screenplay
Bryan Foy
Producer
Jack L. Warner
Executive Producer
Hal B. Wallis
Executive Producer
Gilbert Warrenton
Director of Photography
Heinz Roemheld
Original Music Composer
Hugh Reticker
Art Direction
Milo Anderson
Costume Design
Jack Killifer
Editor