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
The Year of the Sex Olympics their thinking, as far as people do a lot of thinking, and if you had a verbally reduced society, you would get the kind of language—possibly—that you did get in the play". Kneale's script was accepted on 25 October 1967 by Ronald Travers, who had taken over as producer from Michael Bakewell on "Theatre 625". Production began in early 1968 with Michael Elliot as director. Elliot initially asked Leo McKern to take on the key role of Co-ordinator Ugo Priest, but with McKern unavailable, he turned to Leonard Rossiter. Writing to Rossiter, offering him the part, Elliot described "The Year