David Bowditch Morse (born October 11, 1953) is an American actor, singer, director, and writer. He first came to national attention as Dr. Jack Morrison in the medical drama series St. Elsewhere from 1982 to 1988. He continued his film career with roles in Dancer in the Dark, The Indian Runner, The Negotiator, Contact, The Green Mile, Disturbia, The Long Kiss Goodnight, The Crossing Guard, The Rock, Extreme Measures, 12 Monkeys, 16 Blocks, and Hounddog.
In 2006, Morse had a recurring role as Detective Michael Tritter on the medical drama series House, for which he received an Emmy Award nomination. He portrayed George Washington in the 2008 HBO miniseries John Adams, which garnered him a second Emmy nomination. He has also received acclaim for his portrayal of Uncle Peck on the Off-Broadway play How I Learned to Drive, earning a Drama Desk Award and Obie Award. He had success on Broadway too, portraying James "Sharky" Harkin in The Seafarer. From 2010 to 2013, he portrayed Terry Colson, an honest police officer in a corrupt New Orleans police department, on the HBO series Treme.