• Splendor in the Grass (1961)
• The Fat Spy (1966)
• Boy, Did I Get a Wrong Number! (1966)
• Eight on the Lam (1967)
• Silent Treatment (1968) (não acabado)
• The Private Navy of Sgt. O'Farrell (1968)
• Did You Hear the One About the Traveling Saleslady? (1968)
• Mad Monster Party (1967) (voz)
• The Adding Machine (1969)
• The Sunshine Boys (1975)
• A Pleasure Doing Business (1979)
• Pink Motel (1982)
• Doctor Hackenstein (1988)
• Pucker Up and Bark Like a Dog (1990)
• The Nutcracker Prince (1990) (voz)
• The Boneyard (1991)
• Wisecracks (1992) (documentário)
• The Perfect Man (1993)
• Happily Ever After (1993) (voz)
• The Silence of the Hams (1994)
• A Bug's Life (1998) (voz)
• The Debtors (1999)
• The Nuttiest Nutcracker (1999) (voz) (direto-para-vídeo)
• Everything's Jake (2000)
• The Last Place on Earth (2002)
• Hip! Edgy! Quirky! (2002)
• Bitter Jester (2003) (documentário)
• Motocross Kids (2004)
• West from North Goes South (2004)
• Goodnight, We Love You (2004) (documentário)
• The Aristocrats (2005) (documentário)
• Madman Muntz: American Maverick (2005) (documentário)
• Who Killed the Electric Car? (2006) (documentário)
• Unbeatable Harold (2006)
• Forget About It (2006)
• Celebrity Art Show (2008) (documentário)
• Blaze of Glory (2008) (voz)
• You Know the Face (2009) (documentário)
• Looking for Lenny (2009) (documentário)
• How to Live Forever (2009) (documentário)
• I Am Comic (2010) (documentário)

Pequenos papéis:

• Rowan & Martin at the Movies (1968)
• The Lion Roars Again (1975)

• The Phyllis Diller Special (1963)
• The Pruitts of Southampton (1966–1967)
• An Evening with Phyllis Diller (1966)
• Batman (1966)
• The Phyllis Diller Special (1968)
• The Beautiful Phyllis Diller Show (1968) (cancelado após 13 episódios)
• The Mad, Mad, Mad Comedians (1970) (voz)
• Night Gallery (1970) Episódio "Pamela's Voice"
• Mooch Goes to Hollywood (1971)
• HR Puffin' Stuff (19??) (The Wicked Old Witch)
• Love American Style "Love and the Heist" (1971)
• The New Scooby Doo Movies episode 6: "A Good Medium is Rare" (1972) (voz)
• Phyllis Diller's 102nd Birthday Party (1974)
• The Gong Show (1976–1980)
• The Muppet Show (1977)^[2]
• On Location: Phyllis Diller (1977)
• Barbara Mandrell and the Mandrell sisters NBC (1981)
• Whatever Became Of... (1981)
• Jonathan Winters: On the Ledge (1987)
• Alice Through the Looking Glass (1987) (voz)
• 227 (1990) (Um episódio)
• Cybill "Romancing the Crone" (1996)
• Hey Arnold! (1999)
• The Bold and the Beautiful (membro recorrente como Gladys desde 1995–2004)
• Kiss My Act (2001)
• Titus (2001) (Grandma Titus)
• Even Stevens (2002) (Treinadora Korns)
• The Adventures of Jimmy Neutron: Boy Genius (voz recorrente de Granny Neutron)
• Casper's Scare School (2006) (voz)
• Family Guy (voz recorrente de Thelma Griffin)
• Robot Chicken (2005) Phyllis Diller Spray N' Play / Mrs. Claus (voz)
• Boston Legal (2007) (uma das antigas amantes)
• The Rosie O'Donnell Show (2011)
• Roseanne's Nuts (2011) (ela própria)
• Celebrity Ghost Stories (2011) (ela própria)
• The Powerpuff Girls (2004) (como Mask Scara)
• The Bold and the Beautiful (2012) (2 episódios como Gladys)