HomePeople Biography and filmographyWilliam Sloane Coffin Biography unavailable on TMDB. Movies (3)TV shows (2) Movies (3) Splendor and Wisdom2008 · Self A Doonesbury Special1978 · The Reverend Scott Sloan The Sixth Side of the Pentagon1968 TV shows (2) Old Friends... New Friends1978 · Self The Dick Cavett Show1968 · Self - Guest