Submarine Alert

Richard Arlen

Lewis J. 'Lee' Deerhold

Wendy Barrie

Ann Patterson

Nils Asther

Dr. Arthur Huneker

Roger Pryor

G.B. Fleming

Abner Biberman

Commander Toyo

Marc Lawrence

Vincent Bela

John Miljan

Mr. Bambridge / Capt. Haigas

Patsy Nash

Tina Deerhold

Ralph Sanford

Agent Freddie Grayson

Jack Carr

Old Mill Gate Guard

Dwight Frye

Haldine (uncredited)