Roger Rees

Roger Rees (5 May 1944 – 11 July 2015) was a Welsh-American actor. He was 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".
He was widely known to American television audiences for playing the characters Robin Colcord in "Cheers" and Lord John Marbury in "The West Wing".
Rees was born in Aberystwyth, Wales. Rees became a naturalised United States citizen in 1989. He converted to Judaism in the 1980s. Rees was married to his husband, writer/producer Rick Elice, from 2011 until Rees' death.
Rees died of brain cancer at his home in New York City, aged 71.