Cast
Denholm Elliott
Oswald Morfrey
James Hayter
Carrell Quire
Henry Edwards
Sir Digby Bunce
Ian Carmichael
Hat Salesman (uncredited)
Cecil Parker
Arthur Prohack
Jon Pertwee
Plover
Heather Thatcher
Lady Maslam
Bryan Forbes
Tony
Sheila Sim
Mary Prohack
Dirk Bogarde
Charles Prohack
Russell Waters
Cartwright
Ada Reeve
Mrs. Griggs
Frederick Leister
The Director General
Hermione Baddeley
Eve Prohack
Glynis Johns
Mimi Warburton
Frederick Valk
Dr. Viega
Judith Furse
Laura Postern
Jerry Verno
Taxi Driver (uncredited)