Arthur Lawrence
Joan Grahame
Franz von Brinkman
Rupert Chessman
George Merrick
Sir Alfred Horton
Security Officer
Sir Thomas Leighton
Henry Waud
Lt. Peter Leighton
Petty Officer Flanagan
Works Manager
Mrs. Pickles
Jim
Gösta
Karin Möller
Admiral of Operations
Reporter
Lt. Commander
Brinkmann's Secretary
