- Made his Broadway debut in 1985, originating the role of Don Carney in Neil Simon's Biloxi Blues, which costarred Matthew Broderick.
- Breakout role was hypochondriacal high-school student Cameron Frye in the 1986 Broderick comedy Ferris Bueller's Day Off.
- Before landing a part on Michael J. Fox's hit sitcom Spin City in 1996, he starred in several short-lived, early-'90s TV comedies, including Fox's The Edge, CBS' Daddy's Girls and the WB's Muscle.
- Was nominated in 2005 for the Washington Theatre Awards Society's Helen Hayes Award for outstanding lead actor, nonresident production, for his performance as Leo Bloom in the Tony-winning The Producers.
- Sam Ruck — Son
- Larkin Zouey Ruck — Son
- Claudia Stefany — Ex-wife
- Emma Ruck — Daughter
- Vesper Vivianne Ruck — Daughter
- Mireille Enos — Wife
- University of Illinois, Champaign-Urbana, Illinois, United States (BFA in Acting, 1979)
Season 3, Episode 8
- Birth Place: Cleveland, Ohio, United States
- Birthday: July 1, 1956, Cancer
- Profession: Actor
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