Rumpole of the Bailey debut on 17 December 1975 to good reviews by the critics. Aware of the potential for further stories centred on Rumpole, Irene Shubik approached the BBC's Head of Plays, Christopher Morahan, and obtained permission from him to commission a further six "Rumpole of the Bailey" scripts from John Mortimer. However, Morahan left his post at the BBC a short time later and his successor was not interested in turning "Rumpole of the Bailey" into a series. At around this time, Shubik was contacted by Verity Lambert, Head of Drama at Thames Television, who was looking for ideas for an up-market
John Mortimer in 1975. Although not Mortimer's first choice of actor (in an interview on the DVD set, he said he wanted Alistair Sim -- "but he was dead"), Leo McKern played the character with gusto and proved popular; accordingly, the idea was developed into a series, "Rumpole of the Bailey", for Thames Television in which McKern again took the lead role. Mortimer also wrote a series of Rumpole books. In September–October 2003, BBC Radio 4 broadcast four new 45-minute Rumpole plays by Mortimer with Timothy West in the title role. Mortimer also dramatised many of the real-life cases of the barrister