Marcus Gilbert (29 July 1958 – 11 January 2026) was a British actor, known for his roles in Jilly Cooper's “Riders” and Sam Raimi's “Army of Darkness.”

He appeared in films including A Hazard of Hearts (1987), A Ghost in Monte Carlo (1990), Biggles (1986), Rambo III (1988) and Legacy (1990), and on television and in commercials. He also worked in the theatre, including playing the young Viscount Goring in Oscar Wilde's An Ideal Husband with the Middle Ground Theatre Company on their national tour in 2000. In 2006, Gilbert starred as Jordan Power in the world premiere of Starry Starry Night, at The Mill at Sonning.