Peter Firth Peter Firth Peter Macintosh Firth (born 27 October 1953) is an English actor. He is best known for his role as Sir Harry Pearce in the BBC One show "Spooks"; he is the only actor to have appeared in every episode of the show's ten-series lifespan. He has given myriad additional television and film performances, most notably as Alan Strang in "Equus" (1977), earning a Golden Globe Award and an Academy Award nomination for the role. Firth was born in Bradford, West Riding of Yorkshire, England, the son of publicans Mavis (née Hudson) and Eric Macintosh Firth. He attended Hanson
Equus (play) on 11 September 1976. It then opened at the Helen Hayes Theatre on 5 October 1976, ending on 2 October 1977, for a total of 1,209 performances. Shaffer adapted the play for a 1977 film starring Richard Burton, Peter Firth, Eileen Atkins, Colin Blakely, Joan Plowright, and Jenny Agutter, directed by Sidney Lumet. Unlike stage productions, where the horses are portrayed by human actors, often muscular men wearing tribal-style masks, Lumet did not believe this could adequately be done in a film version, concluding a degree of realism was required, "because the reality he [Alan] was being watched in was