- Studied acting with Uta Hagen at Herbert Berghof Studios in New York City.
- Made his big-screen debut with a bit part in 1979's Rocky II.
- Wrote and performed the song "Is It Okay if I Call You Mine?" for the 1980 movie Fame, in which he also appeared.
- Had a memorable early role in sci-fi smash RoboCop (1987) as a psychotic thug whose face melts after his motorcycle crashes into a toxic waste tank.
- Shared in Screen Actors Guild Awards nominations for Outstanding Performance by an Ensemble in a Drama Series with the cast of ER in 2000 and 2001.
- Has directed episodes of several hit TV series, including Without a Trace, Third Watch and The West Wing.