On screen
Cast
25 credited performers
David Farrar
Sammy Rice
Kathleen Byron
Susan
Jack Hawkins
R.B. Waring
Leslie Banks
Col. A. K. Holland
Michael Gough
Capt. Dick Stuart
Cyril Cusack
Cpl. Taylor
Milton Rosmer
Prof. Mair
Walter Fitzgerald
Brine
Emrys Jones
Joe
Michael Goodliffe
Till
Renée Asherson
A.T.S. corporal
Anthony Bushell
Col. Strang
Henry Caine
Sgt. Maj. Rose
Artwork unavailable
James Dale
Brigadier
Robert Morley
The Minister
Sidney James
'Knucksie' Moran
Sam Kydd
Crowhurst
Geoffrey Keen
Pinker
Artwork unavailable
June Elvin
Character not listed
Artwork unavailable
Roddy Hughes
Welsh Doctor
Bryan Forbes
Peterson
Roderick Lovell
Character not listed
Artwork unavailable
Elwyn Brook-Jones
Character not listed
Artwork unavailable
James Carney
Character not listed
John Stratton
Young Army Officer