Robert Alastair Addie (10 February 1960 – 20 November 2003) was an English film and theatre actor, who came to prominence playing the role of Sir Guy of Gisburne in the 1980s British television drama series Robin of Sherwood.

[1][2] After initially being employed as a trainee estate agent on a ranch in Argentina, he returned to England and joined the National Youth Theatre in London in 1976 at the age of 16.

Subsequently, he trained in acting at the Royal Academy of Dramatic Art, which he left after a year after successfully auditioning for the role of Mordred in the 1981 film Excalibur.

[1] Addie was a professional polo player; his skills as a horseman and also with sword and bow[1] led to his frequently appearing in historical dramas set in the medieval era.

At the beginning of his career in the early 1980s he appeared on British television in a number of advertisements for products ranging from Polycell plastering repair wall filler to Mr Kipling cakes.