Cast
Ian MacNaughton
Thomson
Ray Milland
Colley Dawson
Cyril Raymond
Inspector Frankham
Clive Morton
Sir George Turvey
Pamela Stirling
Belgian Messenger
Barry Jones
Bennet Carfield
Victor Maddern
Morris
Bernard Fox
Shafter
Percy Herbert
Sergeant Harper
Jeanette Sterke
Irene
Barbara Everest
Mrs. Dawson
Melissa Stribling
Angela
David Horne
Herbert Fenwright
John Welsh
Inspector Owing
Colin Tapley
Colonel Charles Mercer
Jackie Collins
Fenwright's Secretary
Ernest Clark
Major Adbury
Anthony Nicholls
General Prior
Colin Gordon
Dakers
Henri Vidon
Lonsen (as Henry Vidon)