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
Sam Mitchell (EastEnders) Reid and Gillian Taylforth. She has also revealed that her off-screen relationship with actors McFadden and Kemp mirrored her character's on-screen one: "In the soap they were my older brothers, always looking out for me, making sure I didn't get into trouble, and off set they were exactly the same." The character has been described by Hilary Kingsley, author the "EastEnders Handbook", as a "tease [...] a pretty girl who thinks she can get anything she wants, thanks to her own brand of sexy wheedling." She adds that Sam is "a lot sharper than her brothers [...] and contrives to