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