Richard O'Brien (born Richard Timothy Smith, 25 March 1942) is an English actor, television presenter, writer and theatre performer, best known for writing the stage musical The Rocky Horror Show (1973), famously adapted into a film in 1975, the longest-running theatrical release in history. O'Brien was born in Cheltenham, Gloucestershire, England. In 1951, the family emigrated to Tauranga, New Zealand but he moved back to England in 1964. On becoming an actor, he changed his name to Richard O'Brien (his maternal grandmother's surname). O'Brien presented the 1990–93 Channel 4 game show The Crystal Maze, and voiced Lawrence Fletcher in the Disney Channel animated series Phineas and Ferb (2008–2015; 2025–present) and its two films (2011 and 2020). His other acting credits include Flash Gordon (1980), Spice World (1997), EverAfter (1998), Dark City (1998), Dungeons & Dragons (2000), Elvira's Haunted Hills (2001), and Jackboots on Whitehall (2010). O'Brien is transgender and identifies himself as third gender and uses he/him pronouns. Richard O'Brien(1942년생, Cheltenham, Gloucestershire, England, UK) 는 배우로, 대표작으로 록키 호러 픽쳐 쇼, 다크 시티, 피니와 퍼브 무비: 2차원을 넘어서가 있으며, 그 외에도 피니와 퍼브, ITV Playhouse, Going Live!, An Audience with..., Spicks and Specks, Robin of Sherwood, Where Are They Now?, 에버 애프터, 피니와 퍼브 무비: 캔디스, 우주에 맞서다, Mongrels, The Detectives, 제국의 종말 등 다양한 작품에 출연했다. (오뜨랑에서 실시간으로 번역된 한글 프로필도 확인할 수 있어요) 2025년 록키 호러 픽쳐쇼: 기이한 여행에 출연했다. 2025년 Tiny Little Voices에 출연했다. 2021년 The Rocky Horror Show Live 2021 제작에 참여했다.