Riegert achieved his first major screen breakthrough with his role as Donald Boon Schoenstein in the iconic comedy film National Lampoon's Animal House. This role brought him widespread recognition and launched his film career.
1983
His performance as Mac MacIntyre in the critically acclaimed film Local Hero marked a significant turning point. This leading role showcased his versatility and ability to carry a dramatic film, earning him international praise.
2001
Riegert gained renewed prominence with his recurring role as Assemblyman Ronald Zellman on the acclaimed HBO series The Sopranos. This exposure to a new generation of viewers on a groundbreaking show solidified his position in prestigious dramatic television.