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

Walter Miller

Maxwell

Herbert Heywood

Steve

Ben Hendricks Jr.

Captain Harper

Eddy Chandler

Driller (uncredited)

Sam Hayes

Radio Announcer (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)