Adrianne Allen
— Mrs. Durant
Sarah Lawson
— Louie Knowles
Richard Gale
— Colin Knowles
Duncan Lamont
— Supt. Simmons
Meredith Edwards
— Whistler Grant
Nigel Green
— Sergeant Bassett
John Blythe
— Carrington-Phelps
John Horsley
— Tony Barlow
Jean St. Clair
— Mrs. O'Connor
Pamela Galloway
— Andrea Durant
Simone Lovell
— Gwen - The Housekeeper
Claude Dampier
— Joe Tutt
Hal Osmond
— Joe - Cloakroom Attendant (uncredited)
Derek Prentice
— Police Constable (uncredited)