Troughton is a Shakespearean actor who has worked with the Royal Shakespeare Company. He has starred in the horror films Spirit Trap (with Billie Piper) and Alien vs. Predator, and several television productions including Sky One's Hex. He has appeared in the SAS drama Ultimate Force. From October 2006 he appeared in the BBC Robin Hood series (2006–2009), in which he features as Robin's ex-manservant, Much. Troughton's grandfather, Patrick, starred in the first Robin Hood television series in 1953.