Roger Rees (5 May 1944 – 10 July 2015) was a Welsh actor and director, widely known for his stage work. He won an Olivier Award and a Tony Award for his performance as the lead in The Life and Adventures of Nicholas Nickleby. He also received Obie Awards for his role in The End of the Day and as co-director of Peter and the Starcatcher. Rees was posthumously inducted into the American Theater Hall of Fame in November 2015.

He was widely known to American television audiences for playing the characters Robin Colcord in Cheers and Lord John Marbury in The West Wing. Americans also know him as the Sheriff of Rottingham in Mel Brooks' Robin Hood: Men in Tights.

Early life
Rees was born in Aberystwyth, Cardiganshire, Wales, the son of Doris Louise (née Smith), a shop clerk, and William John Rees, a police officer. He and his parents moved to Balham, London, where he grew up. He studied art at the Camberwell College of Arts and the Slade School of Fine Art, turning to acting when he was painting backdrops at the Wimbledon Theatre and was asked to fill a part in a play.