Reparto
Patrick Waddington
Group Capt. Aspinall
Kenneth More
Bomb Aimer (uncredited)
John Laurie
Dr. McVitie
James Hayter
Warrant Officer
Vida Hope
WAAF Flight Sergeant
Ralph Richardson
Prof. Heatherville
Finlay Currie
Sir Duncan Wills
Cyril Smith
Flight Sgt. Cox
Marjorie Rhodes
Mrs. Arnold
O.B. Clarence
Old Retainer
Aubrey Mallalieu
1st Club Member
Richard Attenborough
Jack Arnold
Anthony Dawson
Flt. Lt. Norton
Murray Matheson
Wing Cdr. Allen
Peggy Evans
Daphne Adams
Arthur Mullard
(uncredited)
David Tomlinson
Mr. Watlington
Michael Hordern
Lt. Cmdr. Lowther
Joan Young
Mrs. McVitie
Robin Bailey
Wives' Escort Officer
Paul Carpenter
Flt. Lt. Argylle
Bill Owen
Paratroop Sergeant (as Bill Rowbotham)
Desmond Roberts
2nd Club Member
Pamela Matthews
Mrs. Watlington
Robert Wyndham
Major
Hugh Pryse
Sir Nicholas Hathaway
Raymond Huntley
Prof. Laxton-Jones
David Hutcheson
Squadron Leader Sowerby