William Wayne McMillan Rogers III (April 7, 1933 – December 31, 2015) was an American television and movie actor. He played the role of "Trapper" John McIntrye on the TV series "M*A*S*H". (The role was played by Elliott Gould in the 1970 movie version and Pernell Roberts on the 1979-1986 TV show, "Trapper John MD"). He left the show in 1975 and was replaced by Mike Farrell as BJ Hunnicutt. He graduated from Princeton University with a degree in history and served in the Navy before becoming an actor. 