| AFI's 100 Years...100 Cheers
(Appearing) |
2006 |
TV Show Series |
| They Started on Soaps 6
(Subject (person only)) |
2006 |
TV Show Series |
| Chasing Liberty
(Actor - President James Foster) |
2003 |
Movie |
| Freaky Friday
(Actor - Ryan) |
2003 |
Movie |
| NCIS
(Actor - Leroy Jethro Gibbs) |
2003 |
TV Show Series |
| Crossfire Trail
(Actor - Bruce Barkow) |
2001 |
Movie |
| I'll Remember April
(Actor - John Cooper) |
2001 |
Movie |
| The Amati Girls
(Actor - Lawrence) |
2001 |
Movie |
| Fear And Loathing In Las Vegas
(Actor - Magazine Reporter at Mint 400) |
1998 |
Movie |
| Casualties
(Actor - Tommy Nance) |
1996 |
Movie |
| The Last Supper
(Actor - Dominant Male) |
1996 |
Movie |
| Charlie Grace
(Actor - Charlie Grace) |
1995 |
TV Show Series |
| Magic In The Water
(Actor - Jack Black) |
1995 |
Movie |
| Chicago Hope
(Actor - Dr. Jack McNeil) |
1994 |
TV Show Series |
| Wyatt Earp
(Actor - Sheriff Johnny Behan) |
1994 |
Movie |
| Cold Heaven
(Actor - Dr. Alex Davenport) |
1992 |
Movie |
| Dillinger
(Actor - Dillinger) |
1991 |
Movie |
| Reasonable Doubts
(Actor - Det. Dicky Cobb) |
1991 |
TV Show Series |
| The Long Road Home
(Actor - Ertie Robertson) |
1991 |
Movie |
| Till There Was You
(Actor - Frank Flynn) |
1990 |
Movie |
| Worth Winning
(Actor - Taylor Worth) |
1989 |
Movie |
| Stealing Home
(Actor - Billy Wyatt as an Adult) |
1988 |
Movie |
| The Presidio
(Actor - Jay Austin) |
1988 |
Movie |
| Dear America: Letters Home From Vietnam
(Actor) |
1987 |
Movie |
| Let's Get Harry
(Actor - Harry Burke, Jr.) |
1987 |
Movie |
| Summer School
(Actor - Freddy Shoop) |
1987 |
Movie |
| St. Elsewhere
(Actor - Dr. Robert Caldwell) |
1982 |
TV Show Series |
| Flamingo Road
(Actor - Fielding Carlyle) |
1981 |
TV Show Series |
| Goliath Awaits
(Actor - Peter Cabot) |
1981 |
Movie |
| Dream Merchants
(Actor - Johnny Edge) |
1980 |
TV Show Series |
| 240-Robert
(Actor - Dwayne Thibideaux) |
1979 |
TV Show Series |
| Beyond The Poseidon Adventure
(Actor - Larry Simpson) |
1979 |
Movie |
| Centennial
(Actor - John McIntosh) |
1978 |
TV Show Series |
| Comes A Horseman
(Actor - Billy Joe Meynert) |
1978 |
Movie |
| Sam
(Actor - Off. Mike Breen) |
1978 |
TV Show Series |
| Adventures from the Book of Virtues: Perseverence
(Voice) |
|
Episode |
| Best Damn Sports Show Period: Episode
(Guest) |
|
Episode |
| Best Damn Sports Show Period: Episode
(Guest) |
|
Episode |
| Bonnie Hunt Show: Episode
(Guest) |
|
Episode |
| Early Show: Episode
(Guest) |
|
Episode |
| Emergency!: 905-Wild
(Actor - Dave) |
|
Episode |
| Entertainment Tonight: Episode
(Appearing) |
|
Episode |
| Entertainment Tonight: Get 'Lost,' Harmon Has a 'Hart!'
(Remarks by) |
|
Episode |
| Extra: Episode
(Remarks by) |
|
Episode |
| Extra: Episode
(Remarks by) |
|
Episode |
| Extra: Episode
(Remarks by) |
|
Episode |
| From the Earth to the Moon: We Have Cleared the Tower
(Actor - Schirra) |
|
Episode |
| InFANity: NCIS
(Appearing) |
|
Episode |
| Intimate Portrait: Celebrity Love
(Remarks by) |
|
Episode |
| Intimate Portrait: Pam Dawber
(Remarks by) |
|
Episode |
| JAG: Ice Queen
(Actor - Leroy Jethro Gibbs) |
|
Episode |
| JAG: Meltdown
(Actor - Leroy Jethro Gibbs) |
|
Episode |
| JAG: Navy NCIS: The Beginning
(Actor - Leroy Gibbs) |
|
Episode |
| Late Late Show With Craig Ferguson: Episode
(Guest) |
|
Episode |
| Late Late Show With Craig Ferguson: Episode
(Guest) |
|
Episode |
| Late Late Show With Craig Ferguson: Episode
(Guest) |
|
Episode |
| Late Late Show with Craig Kilborn: Episode
(Guest) |
|
Episode |
| Late Late Show: Episode
(Guest) |
|
Episode |
| Love Boat: Julie and the Bachelor/Intensive Care/Set-up for Romance
(Actor) |
|
Episode |
| Love Boat: The Wedding
(Actor - Doug) |
|
Episode |
| Love Boat: The Wedding
(Actor - Doug) |
|
Episode |
| Love Boat: The Wedding
(Actor - Doug) |
|
Episode |
| Megan Mullally Show: Episode
(Guest) |
|
Episode |
| Regis and Kelly: Episode
(Guest) |
|
Episode |
| Rosie O'Donnell: Episode
(Guest) |
|
Episode |
| Rosie O'Donnell: Episode
(Guest) |
|
Episode |
| Saturday Night Live: Mark Harmon; Suzanne Vega
(Host) |
|
Episode |
| Square Off: Mark Harmon
(Guest) |
|
Episode |
| Tavis Smiley: Episode
(Guest) |
|
Episode |
| The Insider: Episode
(Guest) |
|
Episode |
| The View: Episode
(Guest) |
|
Episode |
| Tonight Show With Jay Leno: Episode
(Guest) |
|
Episode |
| Wayne Brady: Episode
(Guest) |
|
Episode |
| West Wing: Enemies Foreign and Domestic
(Actor - Simon Donovan) |
|
Episode |
| West Wing: Posse Comitatus
(Actor - Simon Donovan) |
|
Episode |
| West Wing: The Black Vera Wang
(Actor - Simon Donovan) |
|
Episode |
| West Wing: We Killed Yamamoto
(Actor - Simon Donovan) |
|
Episode |
