Peter Riegert (born April 11, 1947 in New York City) is an actor, perhaps best known for his portrayal of Donald Schoenstein (aka "Boon") in 1978's National Lampoon's Animal House, and as "Sam Posner" in the 1988 film, Crossing Delancey.
He made his Broadway debut in the 1975 musical Dance With Me. He also played Cpl. Igor Straminsky in the episodes "Change Day" and "War of Nerves" on the television series M*A*S*H, Mac MacIntyre in the 1983 film Local Hero, Aldo the "Butler" in 1991's "Oscar" and Lt. Mitch Kellaway in the 1994 film The Mask.
He also plays crooked New Jersey State Assemblyman Ronald Zellman on The Sopranos, and has voiced the character of Max Weinstein in the episode When You Wish Upon a Weinstein on Family Guy.
