Roger Livesey
Doctor Reeves
Marius Goring
Conductor 71
Robert Coote
Bob Trubshawe
Richard Attenborough
An English Pilot
Bonar Colleano
An American Pilot
Raymond Massey
Abraham Farlan
Robert Arden
GI Playing Snout (uncredited)
Robert Beatty
US Crewman (uncredited)
Eric Cawthorne
Goatherd (uncredited)
Tommy Duggan
Patrick Aloyusius Mahoney (uncredited)
Leslie Dwyer
ARP Warden (uncredited)
John Longden
Narrator (voice) (uncredited)
Lois Maxwell
Actress (uncredited)
Wally Patch
Civil Defence Stretcher Bearer (uncredited)
Laurence Payne
Prosecuting Counsel (uncredited)
Robert Rietti
Man in Stairway (uncredited)
Roger Snowdon
James Monahan (uncredited)
Emile Stemmler
British Serviceman (uncredited)
Wendy Thompson
Nurse (uncredited)
Frederick Valk
RAF Chaplain (uncredited)
Joan Verney
Girl (uncredited)