Acting Robert Sella Biography Robert Sella is an American stage and screen actor. Acting 1985 Adrian 2016 Manchester by the Sea Dr. Muller 2016 Judy Garland: By Myself Vincente Minnelli (voice) 2004 Diary of a City Priest St. Malachy 2001 The Astronaut's Wife Maitre D' 1999 Sleepy Hollow Dirk Van Garrett 1999 Promised Land: A Musical Danny 1987 Agent-readable