Film & TV List | Role | Media |
 |
| Jesse Stone: Benefit of the Doubt (2012) | Jesse Stone | TV Movie |
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| Blue Bloods (2010–2012) | Frank Reagan | TV Show |
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| Jesse Stone: Innocents Lost (2011) | Jesse Stone | TV Movie |
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| Killers (2010) | Mr. Kornfeldt | Movie |
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| Jesse Stone: No Remorse (2010) | Jesse Stone | TV Movie |
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| Jesse Stone: Thin Ice (2009) | Jesse Stone | TV Movie |
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| Las Vegas (2007–2008) | A.J. Cooper | TV Show |
|
| Jesse Stone: Sea Change (2007) | Jesse Stone | TV Movie |
|
| Meet the Robinsons (2007) | Cornelius (voice) | Movie |
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| Boston Legal (2006) | Ivan Tiggs | TV Show |
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| Jesse Stone: Death in Paradise (2006) | Jesse Stone | TV Movie |
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| Jesse Stone: Night Passage (2006) | Jesse Stone | TV Movie |
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| Jesse Stone: Stone Cold (2005) | Jesse Stone | TV Movie |
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| Biography (2004) | Narrator | TV Show |
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| Ike: Countdown to D-Day (2004) | Gen. Dwight D. Eisenhower | TV Movie |
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| Reversible Errors (2004) | Larry Starczek | TV Movie |
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| Twelve Mile Road (2003) | Stephen Landis | TV Movie |
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| Monte Walsh (2003) | Monte Walsh | TV Movie |
|
| Touch 'Em All McCall (2003) | Touch McCall | TV Movie |
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| Crossfire Trail (2001) | Rafe Covington | TV Movie |
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| Running Mates (2000) | Gov. James Reynolds Pryce | TV Movie |
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| The Love Letter (1999) | George Matthias | Movie |
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| The Closer (1998) | Jack McLaren | TV Show |
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| In & Out (1997) | Peter Malloy | Movie |
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| Last Stand at Saber River (1997) | Paul Cable | TV Movie |
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| Ruby Jean and Joe (1996) | Joe Wade | TV Movie |
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| Kids for Character (1996) | Narrator | Direct to Video |
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| Broken Trust (1995) | Judge Timothy Nash | TV Movie |
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| Open Season (1995) | Rock Maninoff | Movie |
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| Mr. Baseball (1992) | Jack Elliot | Movie |
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| Christopher Columbus: The Discovery (1992) | King Ferdinand | Movie |
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| Folks! (1992) | Jon Aldrich | Movie |
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| 3 Men and a Little Lady (1990) | Peter Mitchell | Movie |
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| Quigley Down Under (1990) | Matthew Quigley | Movie |
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| An Innocent Man (1989) | Jimmie Rainwood | Movie |
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| Her Alibi (1989) | Phil Blackwood | Movie |
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| Magnum, P.I. (1980–1988) | Magnum | TV Show |
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| 3 Men and a Baby (1987) | Peter Mitchell | Movie |
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| Murder, She Wrote (1986) | Thomas Magnum | TV Show |
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| Runaway (1984) | Ramsay | Movie |
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| Lassiter (1984) | Nick Lassiter | Movie |
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| High Road to China (1983) | Patrick O' Malley | Movie |
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| Simon & Simon (1982) | Thomas Magnum | TV Show |
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| The Shadow Riders (1982) | Mac Traven | TV Movie |
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| Divorce Wars: A Love Story (1982) | Jack Sturgess | TV Movie |
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| The Rockford Files (1978–1979) | Lance White | TV Show |
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| Concrete Cowboys (1979) | Will Eubanks | TV Show |
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| Stockard Channing in Just Friends (1979) | Jordan Walsh | TV Show |
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| The Sacketts (1979) | Orrin Sackett | TV Movie |
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| The Chinese Typewriter (1979) | Tom Boston | TV Movie |
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| Taxi (1978) | Mike Beldon | TV Show |
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| The Gypsy Warriors (1978) | Captain Theodore 'Ted' Brinkenhoff | Movie |
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| Superdome (1978) | Jim McCauley | TV Movie |
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| Coma (1978) | Sean Murphy | Movie |
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| The Washington Affair (1977) | Jim Hawley | Movie |
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| Bunco (1977) | Gordean | TV Movie |
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| Charlie's Angels (1976) | Dr. Alan Samuelson | TV Show |
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| Midway (1976) | Aide to Capt. Cyril Simard | Movie |
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| Most Wanted (1976) | Tom Roybo | TV Show |
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| Doctors' Hospital (1976) | Donald | TV Show |
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| The Streets of San Francisco (1975) | Jimmy Desco | TV Show |
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| Returning Home (1975) | Fred Derry | TV Movie |
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| Mannix (1975) | Don Brady | TV Show |
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| Marcus Welby, M.D. (1974–1975) | Sgt. Ed Brock
/
Lt. Rogers | TV Show |
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| Lucas Tanner (1975) | Bud Moore | TV Show |
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| The Young and the Restless (2005) | Jed Andrews | TV Show |
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| A Case of Rape (1974) | Stan | TV Movie |
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| Owen Marshall: Counselor at Law (1973) | Brinkley | TV Show |
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| The F.B.I. (1973) | Steve | TV Show |
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| Terminal Island (1973) | Dr. Milford | Movie |
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| Wide World Mystery (1973) | Mark Brolin | TV Show |
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| Daughters of Satan (1972) | James Robertson | Movie |
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| Sarge (1971) | Captain Denning | TV Show |
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| The Seven Minutes (1971) | Phil Sanford | Movie |
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| Bracken's World (1969–1970) | Dave Rawson
/
Roger
/
Ron Haines | TV Show |
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| Myra Breckinridge (1970) | Stud | Movie |
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| The Movie Murderer (1970) | Mike Beaudine | TV Movie |
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| Lancer (1969) | Dobie | TV Show |
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Film & TV List | Role | Media |
|
| The Talk (2011–2012) | Guest | TV Show |
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| Late Night with Jimmy Fallon (2010–2012) | Himself | TV Show |
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| The Late Late Show with Craig Ferguson (2006–2012) | Himself
/
Himself - Guest | TV Show |
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| Conan (2011) | Guest | TV Show |
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| Late Show with David Letterman (1993–2010) | Himself | TV Show |
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| Entertainment Tonight (2009–2010) | Himself | TV Show |
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| The Daily Show with Jon Stewart (2006–2009) | Himself | TV Show |
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| The Tonight Show with Jay Leno (1992–2007) | Himself | TV Show |
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| Late Night with Conan O'Brien (1998–2007) | Himself | TV Show |
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| The View (1997–2006) | Himself | TV Show |
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