Initially a writer and stage actor, Simon Sheridan began contributing to TV documentaries in the late-1990s. He published the biography of British actress and model, Mary Millington, in 1999, followed by six further books. Sheridan's debut movie 'Respectable - The Mary Millington Story' (which he wrote, directed and produced) was released in London in April 2016, and subsequently played on Netflix for three years. In October 2019 he released his second film 'Everything - The Real Thing Story', narrated by actor Jacob Anderson.