
Eric Portman
Sir John Dearing KC
Acting

Anne Crawford
Lady Helen Brasted
Acting

Hugh Williams
Lord Arthur Brasted
Acting

Michael Denison
Derek Waterhouse
Acting

Nora Swinburne
Lady Dearing
Acting

Raymond Lovell
Frank Mainwaring KC
Acting

Claire Bloom
Mary Dearing
Acting

Frank Cellier
The Judge
Acting

Maurice Denham
Johnson
Acting

Thora Hird
Derek's Charwoman
Acting

Elspet Gray
Daphne Dearing
Acting

John Stone
Sir John's Junior
Acting

Philip Saville
Mainwaring's Junior
Directing

Martin Benson
Count Stephan Mikla
Acting

Cyril Chamberlain
Policeman in Park
Acting
![Rosemary Treston]()
Rosemary Treston
Helen
Acting

Martin Miller
Mario - Waiter at the Savoy
Acting

Marcel Poncin
Bertoni
Acting

Carl Jaffe
Johan Meyer
Acting
![Geoffrey Denton]()
Geoffrey Denton
Foreman of the Jury
Acting

Noel Howlett
Court Usher
Acting
![Carroll Gibbons]()
Carroll Gibbons
Himself - Orchestra Leader (as Carroll Gibbons and His Orchestra)
Sound