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