| Queen Bee | | actor |
| Will & Grace | 1998-2019 | actor |
| Atypical | 2019 | actor |
| Travelers | 2016-2018 | actor |
| Will & Grace: Musical | 2017 | actor |
| A Heavenly Christmas | 2016 | actor |
| Considering Love and Other Magic | 2016 | actor |
| The Architect | 2016/I | actor |
| Studio City | 2015/I | actor |
| Full Circle | 2015 | actor |
| Perception | 2012-2015 | actor |
| The Mysteries of Laura | 2015 | actor |
| Pound Puppies | 2010-2013 | actor |
| Romeo Killer: The Chris Porco Story | 2013 | actor |
| Robot Chicken | 2013 | actor |
| American Dad! | 2012 | actor |
| Barricade | 2012 | actor |
| Knife Fight | 2012 | actor |
| Agoraphobia | 2011 | actor |
| Textuality | 2011 | actor |
| Finger Babies | 2010 | actor |
| The New Adventures of Old Christine | 2009-2010 | actor |
| Who Is Clark Rockefeller? | 2010 | actor |
| Best Thing Ever | 2009 | actor |
| Law & Order: Special Victims Unit | 2009 | actor |
| Stuck | 2009 | actor |
| Trust Me | 2009 | actor |
| My One and Only | 2009 | actor |
| Alien Trespass | 2009 | actor |
| The Andromeda Strain | 2008 | actor |
| Immigrants (L.A. Dolce Vita) | 2008 | actor |
| Monk | 2008 | actor |
| The Charlotte Church Show | 2006 | actor |
| Lovespring International | 2006 | actor |
| The Sisters | 2005 | actor |
| Break a Leg | 2005 | actor |
| Dead Like Me | 2004 | actor |
| Here's to Life! | 2000 | actor |
| The Audrey Hepburn Story | 2000 | actor |
| A Will of Their Own | 1998 | actor |
| Holy Man | 1998 | actor |
| Free Enterprise | 1998 | actor |
| Ally McBeal | 1998 | actor |
| Veronica's Closet | 1997 | actor |
| Borrowed Hearts | 1997 | actor |
| Jenny | 1997 | actor |
| Exception to the Rule | 1997 | actor |
| The Outer Limits | 1997 | actor |
| Lonesome Dove: The Outlaw Years | 1995-1996 | actor |
| Townies | 1996 | actor |
| Diagnosis Murder | 1996 | actor |
| Highlander | 1996 | actor |
| Night Visitors | 1996 | actor |
| Lonesome Dove: The Series | 1994-1995 | actor |
| The Man Who Wouldn't Die | 1994 | actor |
| Island City | 1994 | actor |
| Silk Stalkings | 1993 | actor |
| Cobra | 1993 | actor |
| Double, Double Toil and Trouble | 1993 | actor |
| The Commish | 1992-1993 | actor |
| Miracle on Interstate 880 | 1993 | actor |
| Family of Strangers | 1993 | actor |
| Relentless: Mind of a Killer | 1993 | actor |
| Neon Rider | 1992 | actor |
| Call of the Wild | 1992 | actor |
| The Hat Squad | 1992 | actor |
| Street Justice | 1992 | actor |
| Giant Steps | 1992 | actor |
| Return to the Lost World | 1992 | actor |
| The Lost World | 1992 | actor |
| E.N.G. | 1990-1991 | actor |
| Rin Tin Tin: K-9 Cop | 1991 | actor |
| Street Legal | 1990-1991 | actor |
| Much Ado About Nothing | 1987 | actor |
| Hangin' In | 1987 | actor |
| Twelfth Night | 1986 | actor |
| Travelers | 2016-2018 | producer |
| Perception | 2012-2015 | producer |
| Family Beef | 2013 | producer |
| Imperfect Union | 2007 | producer |
| Lovespring International | 2006 | producer |
| The Tonight Show Starring Jimmy Fallon | 2017 | soundtrack |
| Pound Puppies | 2012-2013 | soundtrack |
| The New Adventures of Old Christine | 2010 | soundtrack |
| Will & Grace | 1999-2005 | soundtrack |
| Rocky Horror 25: Anniversary Special | 2000 | soundtrack |
| Travelers | 2017-2018 | director |
| Perception | 2014 | director |
| Pirates | 2003 | director |
| Pirates | 2003 | writer |
| Bonehill Road | 2017 | thanks |
| Becoming Redwood | 2012 | thanks |
| Robson Arms | 2005 | thanks |
| The Kelly Clarkson Show | 2019 | self |
| Busy Tonight | 2019 | self |
| The Late Late Show with James Corden | 2019 | self |
| Live with Kelly and Ryan | 2004-2018 | self |
| The Late Show with Stephen Colbert | 2018 | self |
| Entertainment Tonight | 2006-2018 | self |
| Entertainment Tonight Canada | 2017-2018 | self |
| Late Night with Seth Meyers | 2016-2018 | self |
| Today | 2004-2018 | self |
| Ellen: The Ellen DeGeneres Show | 2003-2018 | self |
| Access Hollywood | 2017-2018 | self |
| Ok! TV | 2017-2018 | self |
| Extra | 2017-2018 | self |
| The Joel McHale Show with Joel McHale | 2018 | self |
| The Graham Norton Show | 2018 | self |
| 2018 Golden Globes Arrivals Special | 2018 | self |
| 75th Golden Globe Awards | 2018 | self |
| Golden Globes 75th Anniversary Special | 2017 | self |
| Conan | 2012-2017 | self |
| Harry | 2016-2017 | self |
| Megyn Kelly Today | 2017 | self |
| The Tonight Show Starring Jimmy Fallon | 2017 | self |
| The Paley Center Salutes the Best of Will & Grace | 2017 | self |
| Hand in Hand: A Benefit for Hurricane Relief | 2017 | self |
| Last Call with Carson Daly | 2016 | self |
| Must See TV: A Tribute to James Burrows | 2016 | self |
| The Story Behind | 2015 | self |
| Quiet on the Set | 2014 | self |
| The Talk | 2012-2014 | self |
| Jimmy Kimmel Live! | 2009-2014 | self |
| Good Morning America | 2012-2014 | self |
| The View | 2004-2014 | self |
| Rachael Ray | 2009-2013 | self |
| Piers Morgan Tonight | 2013 | self |
| The Hour | 2010-2013 | self |
| Loose Women | 2012 | self |
| The Colbert Report | 2012 | self |
| CBS News Sunday Morning | 2012 | self |
| 10 Minutes | 2010 | self |
| Fashion News Live | 2005-2010 | self |
| Up Close with Carrie Keagan | 2009 | self |
| AFI Life Achievement Award: A Tribute to Michael Douglas | 2009 | self |
| Annul Victory | 2009 | self |
| Hell's Kitchen | 2009 | self |
| The Soup | 2009 | self |
| TCM Guest Programmer | 2009 | self |
| 15th Annual Screen Actors Guild Awards | 2009 | self |
| Late Night with Conan O'Brien | 1999-2009 | self |
| The 35th Annual People's Choice Awards | 2009 | self |
| Make or Break TV | 2008 | self |
| Tavis Smiley | 2008 | self |
| TV's All-Time Funniest: A Paley Center for Media Special | 2008 | self |
| American Idol | 2007-2008 | self |
| Happy Birthday Elton! From Madison Square Garden, New York | 2007 | self |
| Get Smart Reunion Seminar | 2006 | self |
| Will & Grace: The Final Bow (Curtain Call) | 2006 | self |
| Will & Grace: Say Goodnight Gracie | 2006 | self |
| The Oprah Winfrey Show | 2006 | self |
| The 63rd Annual Golden Globe Awards | 2006 | self |
| In the Company of Angels | 2005 | self |
| Will & Grace: Backstage Pass | 2005 | self |
| The Late Late Show with Craig Ferguson | 2005 | self |
| Robson Arms | 2005 | self |
| Under the Pink Carpet | 2005 | self |
| Comedy Gold | 2005 | self |
| 77th Annual Academy Awards - UK | 2005 | self |
| Tsunami Aid: A Concert of Hope | 2005 | self |
| The 10th Annual Critics' Choice Awards | 2005 | self |
| The 31st Annual People's Choice Awards | 2005 | self |
| Golf Cart Driving School | 2004 | self |
| The Tonight Show with Jay Leno | 1999-2004 | self |
| 2004 NBC Fall Preview Special | 2004 | self |
| Songwriters Hall of Fame | 2004 | self |
| The 2nd Annual TV Land Awards | 2004 | self |
| The 61st Annual Golden Globe Awards | 2004 | self |
| 25 Years of Skinnamarink | 2004 | self |
| Inside the Actors Studio | 2003 | self |
| Late Show with David Letterman | 2003 | self |
| The 55th Annual Primetime Emmy Awards | 2003 | self |
| Intimate Portrait | 2003 | self |
| Will on Will & Grace | 2003 | self |
| GMTV | 2003 | self |
| Richard & Judy | 2003 | self |
| V Graham Norton | 2003 | self |
| Primetime Glick | 2003 | self |
| 100 Years of Hope and Humor | 2003 | self |
| 9th Annual Screen Actors Guild Awards | 2003 | self |
| The 14th Annual Producers Guild of America Awards | 2003 | self |
| The 60th Annual Golden Globe Awards | 2003 | self |
| Inside TV Land: Taboo TV | 2002 | self |
| Saturday Night Live | 2002 | self |
| The 54th Annual Primetime Emmy Awards | 2002 | self |
| 20 Years of Must See TV | 2002 | self |
| The Rosie O'Donnell Show | 2000-2002 | self |
| NBC 75th Anniversary Special | 2002 | self |
| 8th Annual Screen Actors Guild Awards | 2002 | self |
| The 59th Annual Golden Globe Awards | 2002 | self |
| My VH1 Music Awards | 2001 | self |
| The 53rd Annual Primetime Emmy Awards | 2001 | self |
| Inside TV Land: Get Smart | 2001 | self |
| Planet of the Apes: Rule the Planet | 2001 | self |
| The 55th Annual Tony Awards | 2001 | self |
| The Daily Show | 1999-2001 | self |
| Queen of the Whole Wide World | 2001 | self |
| 7th Annual Screen Actors Guild Awards | 2001 | self |
| The 58th Annual Golden Globe Awards | 2001 | self |
| The Late Late Show with Craig Kilborn | 2000 | self |
| Rocky Horror 25: Anniversary Special | 2000 | self |
| The 52nd Annual Primetime Emmy Awards | 2000 | self |
| The 57th Annual Golden Globe Awards | 2000 | self |
| The 26th Annual People's Choice Awards | 2000 | self |
| Where No Fan Has Gone Before: The Making of 'Free Enterprise' | 1999 | self |
| The Martin Short Show | 1999 | self |
| The 51st Annual Primetime Emmy Awards | 1999 | self |
| The 25th Annual People's Choice Awards | 1999 | self |
| The Annual Museum of TV and Radio Honors. A Salute to Jerry Seinfeld and David E. Kelly | 1998 | self |
| The More You Know | 1989 | self |
| The Boys from Syracuse | 1986 | self |
| Entertainment Tonight | 2016-2018 | archive_footage |
| Access Hollywood | 2017 | archive_footage |
| Ok! TV | 2017 | archive_footage |
| The Insider | 2017 | archive_footage |
| Extra | 2017 | archive_footage |
| Making the Boys | 2011 | archive_footage |
| Buscando a Penlope | 2009 | archive_footage |
| Comedy Connections | 2007 | archive_footage |