who played dr burke in grey's anatomy
Isaiah Washington Isaiah Washington IV (born August 3, 1963) is an American actor. A veteran of several Spike Lee films, Washington is best known for his role as Dr. Preston Burke on the ABC medical drama television series Grey's Anatomy from 2005 until 2007, and again in 2014. From 2014 to 2018, Washington portrayed Thelonious Jaha on The CW's science fiction television series The 100.