Robert Donat as Robert Wilson

Deborah Kerr as Catherine Wilson

Glynis Johns as Dizzy Clayton

Ann Todd as Elena

Roland Culver as Richard

Roger Moore as Soldier

Elliott Mason as Elliott Mason

Eliot Makeham as Mr. Staines

Brefni O'Rorke as Mr. Hargrove

Ivor Barnard as Chemist

Henry B. Longhurst as Petty Officer

Bill Shine as Webster

Billy Thatcher as Essex

Brian Weske as Gordon

Rosamund Taylor as Irene

Harry Ross as Bill

Edward Rigby as Charlie

Muriel George as Minnie

Vincent Holman as ARP Warden

Allan Jeayes as Commander

Leslie Dwyer as Stripey

Caven Watson as Caven Watson

Jeanine Carre as Jeannie

Mollie Munks as Meg