Billy Mitchell (EastEnders) revealed in 2006 that the role was extended by "coincidence and chance": "I was offered four episodes and here I am, about 800 later. [...] Ross Kemp (Grant) said that he was leaving, and there was a gap in the Mitchell family, so they brought me back to do stuff towards his leaving. After that they offered me a year." Billy was reintroduced in 1999, making recurring appearances. He was involved in the leaving storyline of Grant Mitchell in October 1999, before returning later in the year as a regular character. When Billy was first introduced, he was depicted as
Martha Ross Martha Ross Martha Ross (born 1939) is a British actress and radio presenter, and mother of television presenters Jonathan and Paul Ross. She also has three other sons named Simon Ross, Miles and Adam, and a daughter named Liza, who works in the media. Ross worked as an extra in "EastEnders" from its inception until November 2006, when her contract was terminated because she told her son Paul an "EastEnders" Christmas storyline, which he leaked on his LBC radio show. She has also appeared in "Grange Hill", "The Sean Hughes Show", "Space Virgins" and "Barrymore", and hosts a current affairs