William Christopher
William Christopher (October 20, 1932 – December 31, 2016) was an American actor and comedian, best known for playing Private Lester Hummel on Gomer Pyle, U.S.M.C. from 1965 to 1968 and Father Mulcahy on the television series MASH from 1972 to 1983 and its spinoff After MASH from 1983 to 1985. Description above from the Wikipedia article William Christopher, licensed under CC-BY-SA, full list of contributors on Wikipedia.
Filmography
Columbo
Lois & Clark: The New Adventures of Superman
Murder, She Wrote
Diagnosis: Murder
The Andy Griffith Show
M*A*S*H
The Love Boat
The Mike Douglas Show
Mad About You
Hogan's Heroes
That Girl
Alias Smith and Jones
Gomer Pyle, U.S.M.C.
Good Times
Dinah!
Nichols
The Patty Duke Show
Snoops
AfterMASH
Team Knight Rider
The New WKRP in Cincinnati
The Fortune Cookie
The Shakiest Gun in the West
Hearts of the West
The Little Troll Prince
The Perils of Pauline
M*A*S*H: 30th Anniversary Reunion
With Six You Get Eggroll
M*A*S*H: The Comedy That Changed Television
For the Love of It