| movie | Brats (2024)As Self (archive footage) (uncredited) | (Not seen) |
| movie | Avengers: Age of Ultron (2015) (AKA "Age of Ultron")As Ultron (voice) | (Not seen) |
| tv | The Tonight Show Starring Jimmy Fallon (2014)As Self(5 episodes) | (Not seen) |
| tv | Late Night with Seth Meyers (2014)As Self(3 episodes) | (Not seen) |
| movie | The Homesman (2014)As Aloysius Duffy | (Not seen) |
| tv | The Blacklist (2013)As Raymond 'Red' Reddington(218 episodes) | (Not seen) |
| movie | Lincoln (2012)As WN Bilbo | (Not seen) |
| movie | Shorts (2009) (AKA "Shorts: The Adventures of the Wishing Rock")As Carbon Black | (Not seen) |
| tv | The Office (2005)As Robert California(25 episodes) | (Not seen) |
| tv | Boston Legal (2004)As Alan Shore(101 episodes) | (Not seen) |
| tv | The Ellen DeGeneres Show (2003)As Self(2 episodes) | (Not seen) |
| movie | Alien Hunter (2003)As Julian Rome | (Not seen) |
| movie | Secretary (2002)As E. Edward Grey | (Not seen) |
| movie | Speaking of Sex (2001)As Dr. Roger Klink | (Not seen) |
| movie | The Watcher (2000) (AKA "Driven")As FBI Special Agent Joel Campbell | (Not seen) |
| movie | Supernova (2000)As Nick Vanzant | (Not seen) |
| movie | It All Came True (1998) (AKA "Curtain Call")As Stevenson Lowe | (Not seen) |
| tv | The Practice (1997)As Alan Shore(22 episodes) | (Not seen) |
| tv | The Daily Show (1996)As Self(1 episode) | (Not seen) |
| movie | 2 Days in the Valley (1996) (AKA "Two Days in the Valley")As Lee Woods | (Not seen) |
| movie | Crash (1996)As James Ballard | (Not seen) |
| movie | Wolf (1994)As Stewart Swinton | (Not seen) |
| movie | Stargate (1994)As Dr. Daniel Jackson | (Not seen) |
| tv | Frasier (1993)As Steven (voice)(1 episode) | (Not seen) |
| movie | Bob Roberts (1992)As Chuck Marlin | (Not seen) |
| movie | True Colors (1991)As Tim Gerrity | (Not seen) |
| movie | Bad Influence (1990)As Michael Boll | (Not seen) |
| tv | Seinfeld (1989)As Jason 'Stanky' Hanky(1 episode) | (Not seen) |
| movie | The Rachel Papers (1989)As Deforest | (Not seen) |
| movie | Sex, Lies, and Videotape (1989)As Graham Dalton | (Not seen) |
| movie | Jack's Back (1988)As John Allen Wesford / Richard Wesford | (Not seen) |
| movie | Less Than Zero (1987)As Rip | (Not seen) |
| movie | Baby Boom (1987)As Ken Arrenberg | (Not seen) |
| movie | Mannequin (1987)As Mr. Richards | (Not seen) |
| movie | Wall Street (1987)As Roger Barnes | (Not seen) |
| movie | Pretty in Pink (1986)As Steff | (Not seen) |