Film & TV List | Role | Media |
 |
| Finding Nemo (2003) | Dory (voice) | Movie |
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| The Ellen Show (2001–2002) | Ellen Richmond | TV Show |
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| Reaching Normal (2001) | Operator | Movie |
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| Will & Grace (2001) | Sister Louise | TV Show |
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| If These Walls Could Talk 2 (2000) | Kal | TV Movie |
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| The Love Letter (1999) | Janet Hall | Movie |
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| Edtv (1999) | Cynthia Topping | Movie |
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| Ellen (1994–1998) | Ellen Morgan | TV Show |
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| Doctor Dolittle (1998) | Prologue Dog (voice) | Movie |
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| Goodbye Lover (1998) | Sgt. Rita Pompano | Movie |
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| Mad About You (1998) | Nancy Bloom | TV Show |
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| The Larry Sanders Show (1996) | Ellen DeGeneres | TV Show |
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| Mr. Wrong (1996) | Martha Alston | Movie |
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| Roseanne (1995) | Dr. Whitman | TV Show |
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| Coneheads (1993) | Coach | Movie |
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| Laurie Hill (1992) | Nancy MacIntyre | TV Show |
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| Open House (1989–1990) | Margo Van Meter | TV Show |
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| Duet (1989) | Margo Van Meter | TV Show |
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Film & TV List | Role | Media |
|
| Inside Comedy (2012) | Herself | TV Show |
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| Extreme Makeover: Home Edition (2011) | Herself | TV Show |
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| The Tonight Show with Jay Leno (1993–2011) | Herself | TV Show |
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| American Idol (2007–2011) | Herself - Judge
/
Herself
/
Herself - Co-Host | TV Show |
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| Late Show with David Letterman (1993–2010) | Herself
/
Herself - Top Ten List Presenter | TV Show |
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| So You Think You Can Dance (2009–2010) | Herself - Guest Dancer
/
Herself - Guest Judge | TV Show |
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| Entertainment Tonight (2006–2010) | Herself | TV Show |
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| The Simpsons (2010) | Herself | TV Show |
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| Lopez Tonight (2009) | Herself | TV Show |
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| The Oprah Winfrey Show (1999–2009) | Herself | TV Show |
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| The Bachelorette (2008) | Herself | TV Show |
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| The View (2005) | Herself | TV Show |
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| Late Night with Conan O'Brien (2003) | Herself | TV Show |
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| Saturday Night Live (2001) | Herself - Host | TV Show |
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| The Daily Show with Jon Stewart (2000) | Herself | TV Show |
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