Lt. Cmdr. Ewen Montagu

Lucy Sherwood

Lt. George Acres

Pam

Patrick O'Reilly

Adm. Cross

Gen. Nye

The Father

Taxi Driver

Sir Bernard Spilsbury

Gen. Coburn

Vice-Admiral

Landlady

Larry

Porter

Scientist

Joe

Lt. Jewell

Shop Assistant

Adams

French

Club Matron (uncredited)

Passport Officer (uncredited)

Wills Officer (uncredited)

Bank Manager

Winston Churchill (voice)