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 separated. The play features a character, Leonard Hoskins (played by John Nettleton), a divorce lawyer with a domineering mother, who can be seen as an early prototype of Horace Rumpole. In the mid-1970s, Mortimer approached BBC producer Irene Shubik, who had overseen "Infidelity Took Place" and who was now one of the two producers overseeing "Play For Today" – the successor series to "The Wednesday Play" as the BBC's strand for contemporary drama. Mortimer presented an idea for a new play, titled "My Darling Prince, Peter Kropotkin", that centred on a barrister called Horace Rumbold. Rumbold would have a particular