The Dock Brief The Dock Brief The Dock Brief (US title Trial and Error) is a 1962 black-and-white British legal satire directed by James Hill, starring Peter Sellers and Richard Attenborough, and based on the play of the same name written by John Mortimer (creator of Horace Rumpole). The film had its world premiere on 20 September 1962 at the Plaza Theatre in London's West End. Richard Attenborough was nominated for the 1963 BAFTA Award for best British actor for his role. In a cell under the Old Bailey, two men meet. One is Wilfred Morgenhall, an unmarried barrister who never gets any
Rumpole of the Bailey interest in nineteenth-century anarchists, especially the Russian Peter Kropotkin from whom the title of the play was drawn. The character's name was later changed to Horace Rumpole when it was discovered that there was a real barrister called Horace Rumbold. The title of the play was briefly changed to "Jolly Old Jean Jacques Rousseau" before settling on the less esoteric "Rumpole of the Bailey". Mortimer was keen on Michael Hordern for the role of Rumpole. When Hordern proved unavailable, the part went to Australian-born actor Leo McKern. Mortimer was initially unenthusiastic about McKern's casting but changed his opinion upon seeing