Biography
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.
Known For

Heaven Sent
Priest

With Six You Get Eggroll
Zip (Cloud)

The Shakiest Gun in the W...
Hotel Manager (uncredited)

Hearts of the West
Bank Teller

The Perils of Pauline
Doctor

The Fortune Cookie
Interne (as Bill Christopher)

The Private Navy of Sgt. ...
Pvt. Jake Schultz

For the Love of It
Barton

The Little Troll Prince

M*A*S*H: The Comedy That ...
Self