John Gielgud
Marquis of Caterhan
John Gielgud
Marquis of Caterhan
Cheryl Campbell
Lady Eileen 'Bundle' Brent
Rula Lenska
Countess Radzsky
Lynne Ross
Nancy
James Warwick
Jimmy Thesiger
Harry Andrews
Superintendent Battle
Joyce Redman
Lady Coote
Lucy Gutteridge
Lorraine Wade
Terence Alexander
George Lomax
Brian Wilde
Tredwell
Sarah Crowden
Helen
Leslie Sands
Sir Oswald Coote
Christopher Scoular
Bill Eversleigh
James Griffiths
Rupert 'Pongo' Bateman
Hetty Baynes
Vera
Robert Longden
Gerry Wade
John Vine
Ronny Devereux
Agatha Christie
Novel
Tony Wharmby
Executive Producer
Tony Wharmby
Director
Jack Williams
Producer
Pat Sandys
Writer