Agatha Christie's Seven Dials Mystery

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