Cast
Bernard Lee
Det. Supt. Meredith
Alexander Knox
Colonel Calderwood
Moira Redmond
Diana Marsh
William Russell
Mike Stafford
Richard Vernon
John Crewe
Richard Warner
Mark Speller
John Gabriel
Monet
Jack Rodney
Gregory
Stanley Morgan
Det. Sgt. Anson
Robert Percival
Mr. Britton
Ann Harriman
Receptionist
Julie Shearing
Judy
Fanny Carby
Mrs. Wall
Ian Hamilton
Waiter
Walter Horsbrugh
Registrar
