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