
Peter Riegert (born April 11, 1947) is an American stage and screen actor, writer, and director. He notable film roles include Donald "Boon" Schoenstein in Animal House (1978), oil company executive "Mac" MacIntyre in Local Hero (1983), pickle store owner Sam Posner in Crossing Delancey (1988), and Lt. Mitch Kellaway in The Mask (1994). On television, he is best known for his portrayal of crooked New Jersey State Assemblyman Ronald Zellman on The Sopranos.

The Mask
1994 · as Mitch Kellaway

Traffic
2000 · as Attorney Michael Adler

We Bought a Zoo
2011 · as Delbert McGinty

Animal House
1978 · as Donald 'Boon' Schoenstein

Oscar
1991 · as Aldo

Americathon
1979 · as Eric McMurkin

Passion of Mind
2000 · as Dr. Peters, the New York Psychiatrist

Infinity
1996 · as Mel Feynman

Local Hero
1983 · as "Mac" MacIntyre

American Pastoral
2016 · as Lou Levov

The Infiltrator
1995

The Chosen One
2010 · as Bob

Extra Innings
2019 · as Pete

Club Land
2001 · as Rabbi

At Middleton
2013 · as Boneyard Sims

Crossing Delancey
1988 · as Sam Posner

The Response
2008 · as Colonel Jefferson

Barbarians at the Gate
1993 · as Peter Cohen