Russell Lewis (born 11 September 1963 in London) is an English television writer and former actor. He has worked hard to preserve his anonymity so there is little about his background to be found online. Lewis was born in 1963 in Battersea, south London, raised and formally adopted by his maternal grandmother and her second husband, who provided his surname. He speaks of “a certain lived experience of dark secrets and unhappy families that has stood me in good stead when it comes to Endeavour”. Protective of “the sensitivities of all concerned who are still alive”, he describes his background as “potentially still a bit of an emotional minefield”.

Lewis was a child actor.He attended “an academically wonky stage school” between age four and 16, which is why there’s a photo of him on an obscure website: he landed a part in the 1972 period biopic Young Winston, directed by Richard Attenborough, playing the even younger Winston.