Brian Manion Dennehy was born on July 9, 1938, in Bridgeport, Connecticut, to Hannah (Manion), a nurse, and Edward Dennehy, a wire service editor for the Associated Press. He had two brothers, Michael and Edward. He was of … See more

Dennehy was primarily known as a dramatic actor. His breakthrough role was as the overzealous sheriff Will Teasle in First Blood (1982) opposite Sylvester Stallone as John Rambo.
His earlier f… See more

Dennehy enlisted in the United States Marine Corps serving from 1958 to 1963, including playing football on Okinawa. In several interviews, he described being wounded in combat and repeatedly claimed to have ser… See more