Michael O'Neill

American actor (1951–)

Michael O'Neill is an American character actor. He is known for his recurring role as Secret Service Agent Ron Butterfield in the NBC political drama The West Wing.

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Filmography in the catalog

Credited on 4 films (2000–2023) — matched by name in the Creator or Credits field. Also mentioned in 1 other record (descriptions, transcriptions, copyright notes).

Year ▲	Title	Creator	Length	Format	Color	Sound
2000	Traffic ▶	Steven Soderbergh	141 min		Color
2000	What Kind Of Day Has It Been	Transfilm Inc		16mm	Color	sound
2003	Seabiscuit ▶	Gary Ross	134 min	16mm	Color	sound
2023	Air!	Ben Affleck	112 min