Film & TV List | Role | Media |
 |
| Late Show with David Letterman (2011) | J.B. Biggley | TV Show |
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| Chuck (2008–2011) | Roan Montgomery | TV Show |
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| CSI: NY (2010) | Chief Ted Carver | TV Show |
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| White Collar (2010) | Donovan | TV Show |
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| 15 Minutes (2010) | David Sloan | TV Movie |
|
| Gun (2010) | Sam | Movie |
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| Parks and Recreation (2010) | Frank Beckerson | TV Show |
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| Phineas and Ferb (2009–2010) | Bob Webber
/
Uncle Bob | TV Show |
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| Pleading Guilty (2010) | Martin Gold | TV Movie |
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| Law & Order: Special Victims Unit (2009) | Randall Carver | TV Show |
|
| The Storm (2009) | Bud McGrath | TV Show |
|
| Green Lantern: First Flight (2009) | Tomar-Re (voice) | Direct to Video |
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| Boston Legal (2007–2008) | Carl Sack | TV Show |
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| McBride: Requiem (2008) | Mike McBride | TV Movie |
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| The Batman (2007–2008) | Mirror Master | TV Show |
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| McBride: Dogged (2007) | Mike McBride | TV Movie |
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| McBride: Semper Fi (2007) | Mike McBride | TV Movie |
|
| House M.D. (2006) | Gabriel Wozniak | TV Show |
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| Southland Tales (2006) | Vaughn Smallhouse | Movie |
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| Kill Your Darlings (2006) | Dr. Bangley | Movie |
|
| McBride: Fallen Idol (2006) | Mike McBride | TV Movie |
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| Joey (2005) | Benjamin Lockwood | TV Show |
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| Kitchen Confidential (2005) | Chef Gerard | TV Show |
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| McBride: Anybody Here Murder Marty? (2005) | Mike McBride | TV Movie |
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| McBride: Tune in for Murder (2005) | Mike McBride | TV Movie |
|
| McBride: The Doctor Is Out... Really Out (2005) | Mike McBride | TV Movie |
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| McBride: It's Murder, Madam (2005) | Mike McBride | TV Movie |
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| McBride: Murder Past Midnight (2005) | Mike McBride | TV Movie |
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| McBride: The Chameleon Murder (2005) | Mike McBride | TV Movie |
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| Wedding Daze (2004) | Jack Landry | TV Movie |
|
| Happy Family (2003–2004) | Peter Brennan | TV Show |
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| Beethoven's 5th (2003) | Mayor Harold Herman | Direct to Video |
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| The Texas Chainsaw Massacre (2003) | Narrator (voice) | Movie |
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| Recipe for Disaster (2003) | Patrick Korda | TV Movie |
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| Corsairs (2002) | Brandon Corsair | TV Movie |
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| Till Dad Do Us Part (2001) | Gavin Corbett | TV Movie |
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| Walter and Henry (2001) | Walter | TV Movie |
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| The Incurable Collector (2001) | Host | TV Show |
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| The Heart Department (2001) | Dr. Fred Biskin | TV Movie |
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| The West Wing (2000) | Lionel Tribbey, White House Counsel | TV Show |
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| The 10th Kingdom (2000) | Tony Lewis | TV Movie |
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| Isn't She Great (2000) | Maury Manning | Movie |
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| Payne (1999) | Royal Payne | TV Show |
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| The Defenders: Payback (1997) | Michael Lane | TV Movie |
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| The John Larroquette Show (1993–1996) | John Hemingway | TV Show |
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| Dave's World (1995) | Dave's Lawyer | TV Show |
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| Ri¢hie Ri¢h (1994) | Lawrence Van Dough | Movie |
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| Night Court (1984–1992) | Dan Fielding | TV Show |
|
| JFK (1991) | Jerry Johnson (credited on Director's Cut) | Movie |
|
| One Special Victory (1991) | Bo | TV Movie |
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| Tune in Tomorrow... (1990) | Doctor Albert Quince | Movie |
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| Madhouse (1990) | Mark Bannister | Movie |
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| Second Sight (1989) | Wills | Movie |
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| Hot Paint (1988) | Gus | TV Movie |
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| Blind Date (1987) | David Bedford | Movie |
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| Convicted (1986) | Douglas Forbes | TV Movie |
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| Summer Rental (1985) | Don Moore | Movie |
|
| Lifeforce (1985) | Narrator (unconfirmed) | Movie |
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| Remington Steele (1984) | Nathan Fitts | TV Show |
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| Choose Me (1984) | Billy Ace | Movie |
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| Meatballs Part II (1984) | Lt. Felix Foxglove | Movie |
|
| Star Trek III: The Search for Spock (1984) | Maltz | Movie |
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| The Last Ninja (1983) | Army Officer | TV Movie |
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| Twilight Zone: The Movie (1983) | K.K.K. (Segment #1) | Movie |
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| Hysterical (1983) | Bob X. Cursion | Movie |
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| Dallas (1982) | Phillip Colton | TV Show |
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| Nine to Five (1982) | n/a | TV Show |
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| Bare Essence (1982) | Arthur Williams | TV Movie |
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| Cassie & Co. (1982) | n/a | TV Show |
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| Cat People (1982) | Bronte Judson | Movie |
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| Mork & Mindy (1981) | Baba Hope | TV Show |
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| Stripes (1981) | Capt. Stillman | Movie |
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| Green Ice (1981) | Claude | Movie |
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| Altered States (1980) | X-Ray Technician | Movie |
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| Heart Beat (1980) | TV Talk Show Host | Movie |
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| Stunts Unlimited (1980) | Leading Man | TV Movie |
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| Fantasy Island (1979) | Valery | TV Show |
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| Three's Company (1979) | Cop | TV Show |
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| Greatest Heroes of the Bible (1978) | n/a | TV Show |
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| Black Sheep Squadron (1976–1978) | Lt. Bob Anderson | TV Show |
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| Rich Man, Poor Man (1976) | Barone | TV Movie |
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| Kojak (1975) | Sailor | TV Show |
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| Ellery Queen (1975) | Bellhop | TV Show |
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| Sanford and Son (1975) | Murray Steinberg | TV Show |
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| Doctors' Hospital (1975) | Dr. Paul Herman | TV Show |
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| The Texas Chain Saw Massacre (1974) | Narrator (voice) | Movie |
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Film & TV List | Role | Media |
|
| The Late Late Show with Craig Ferguson (2005–2010) | Himself | TV Show |
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| The Tonight Show with Jay Leno (1992–2008) | Himself | TV Show |
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| The View (2008) | Himself | TV Show |
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| Last Call with Carson Daly (2004) | Himself | TV Show |
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| The Daily Show with Jon Stewart (1999) | Himself | TV Show |
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| Late Night with Conan O'Brien (1997) | Himself | TV Show |
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| Saturday Night Live (1987–1988) | Himself - Host
/
Various | TV Show |
|