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
Louise Raymond Louise Raymond Louise Raymond is a fictional character from the BBC soap opera "EastEnders", played by Carol Harrison from May 1998 to April 1999. Louise is the estranged mother of the characters Tiffany and Simon Raymond (Martine McCutcheon and Andrew Lynford). She is featured most prominently in a high-profile storyline about adultery, when she has sex with her daughter's husband Grant (Ross Kemp). The plot is the catalyst for the eventual death of Tiffany, who dies in the aftermath upon discovering the affair. Harison left the role in 1999; scriptwriters allegedly felt that the character had nowhere left to go