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) Dysart to understand the cause of the boy's actions while wrestling with his own sense of purpose. The original stage production ran at the National Theatre in London between 1973 and 1975, directed by John Dexter. Alec McCowen played Dysart, and Peter Firth played Alan Strang. Later came the Broadway productions that starred Anthony Hopkins as Dysart (later played by Richard Burton, Leonard Nimoy, and Anthony Perkins) and from the London production, Peter Firth as Alan. When Firth left for Broadway, Dai Bradley took over the role of Alan in the London production, playing opposite Michael Jayston as Dr. Dysart.