- Dennis Price
- Louis
- Valerie Hobson
- Edith
- Joan Greenwood
- Sibella
- Alec Guinness
- The D'Ascoyne Family: The Duke / The Banker / The Parson / The General / The Admiral / Young Ascoyne / Young Henry / Lady Agatha
- Audrey Fildes
- Mama
- Miles Malleson
- The Hangman
- Clive Morton
- The Prison Governor
- John Penrose
- Lionel
- Cecil Ramage
- Crown Counsel
- Hugh Griffith
- Lord High Steward
- John Salew
- Mr. Perkins
- Eric Messiter
- Burgoyne
- Lyn Evans
- The Farmer
- Barbara Leake
- The Schoolmistress
- Peggy Ann Clifford
- Maud
- Anne Valery
- The Girl in the Punt
- Arthur Lowe
- The Reporter
- Stanley Beard
- Warder
- Norman Fisher
- Member of D'Ascoyne Household
- Maxwell Foster
- Warder
- Peter Gawthorne
- First Lord Delivering Verdict
- Molly Hamley-Clifford
- Lady Redpole
- Leslie Handford
- Gamekeeper Hoskins
- Nicholas Hill
- Sergeant-at-Arms
- Fletcher Lightfoot
- Peer of the Realm
- Cavan Malone
- Young Graham
- Laurence Naismith
- Warder in Jail
- Gordon Phillott
- Clerk of Parliament
- Harry Phipps
- Lawyer
- Miles Silverton
- Lord
- Jeremy Spenser
- Young Louis
- Ivan Staff
- Valuer
- Richard Wattis
- Defence Counsel
- Carol White
- Young Sibella
- George Wilson
- Lord
- Harold Young
- Captain
