David Niven as Peter Carter

Kim Hunter as June

Roger Livesey as Doctor Reeves

Marius Goring as Conductor 71

Robert Coote as Bob Trubshawe

Kathleen Byron as An Angel

Richard Attenborough as An English Pilot

Bonar Colleano as An American Pilot

Joan Maude as Chief Recorder

Robert Atkins as The Vicar

Edwin Max as Dr. Mc.Ewen

Betty Potter as Mrs. Tucker

Abraham Sofaer as The Judge

Raymond Massey as Abraham Farlan

Robert Arden as GI Playing Snout (uncredited)

Robert Beatty as US Crewman (uncredited)

Eric Cawthorne as Goatherd (uncredited)

Tommy Duggan as Patrick Aloyusius Mahoney (uncredited)

Leslie Dwyer as ARP Warden (uncredited)

John Longden as Narrator (voice) (uncredited)

Lois Maxwell as Actress (uncredited)

Wally Patch as Civil Defence Stretcher Bearer (uncredited)

Laurence Payne as Prosecuting Counsel (uncredited)

Robert Rietti as Man in Stairway (uncredited)

Roger Snowdon as James Monahan (uncredited)

Emile Stemmler as British Serviceman (uncredited)

Wendy Thompson as Nurse (uncredited)

Frederick Valk as RAF Chaplain (uncredited)

Joan Verney as Girl (uncredited)