Eric Portman

Arthur Lawrence

Ann Dvorak

Joan Grahame

Karl Stepanek

Franz von Brinkman

Ronald Ward

Rupert Chessman

Ronald Adam

George Merrick

Felix Aylmer

Sir Alfred Horton

Brefni O'Rorke

Security Officer

A.E. Matthews

Sir Thomas Leighton

Ivor Barnard

Henry Waud

David Peel

Lt. Peter Leighton

Charles Victor

Petty Officer Flanagan

George Merritt

Works Manager

Marjorie Rhodes

Mrs. Pickles

John Ruddock

Jim

Frederick Cooper

Gösta

Lily Kann

Karin Möller

Richard George

Admiral of Operations

James Pirrie

Reporter

Doyley John

Lt. Commander

Norman Whitcomb

Brinkmann's Secretary