Lisa Ann Walter (born August 3, 1963) is an American actress, comedian, and television producer, best known for her roles as Chessy the housekeeper in the romantic comedy film The Parent Trap (1998) and Melissa Schemmenti on the Peabody Award-winning ABC mockumentary sitcom Abbott Elementary (2021–present), for which she received a Screen Actors Guild Award for Outstanding Ensemble in a Comedy Series. She was formerly the creator and executive producer of Oxygen network reality weight-loss competition series, Dance Your Ass Off. Her other reality television work includes her stint as a judge on ABC's reality television series The Next Best Thing: Who Is the Greatest Celebrity Impersonator?, and as winning celebrity editions of the game shows The Weakest Link and Jeopardy! She also created and starred in the 1996–1997 sitcom, Life's Work, and appeared in such films as Bruce Almighty, Shall We Dance, and War of the Worlds.

Filmography

• 2026Lisa Ann Walter: It Was an Accident — Self, Director, Producer, Writer
• 2023Diary of a Wimpy Kid Christmas: Cabin Fever — Gabby (voice)
• 2022The Ladies — Blanche
• Abbott Elementary — Melissa Schemmenti
• 2021The Right Mom — Margaret Blanchette
• I Can See Your Voice
• 2020Jersey — Tess, Director, Producer
• 2019Psycho Stripper — Margot Mathison
• 2019Remember Amnesia — Patient's Wife
• Sydney to the Max — Marlene
• 2019The More Things Change — Executive Producer
• 9-1-1 — Delia Narwood
• GLOW — Lorene
• 2016Dependent's Day — Bette
• The Odd Couple — Linda
• 2014Wish Wizard — Helga
• 2013Feels So Good — Lisa Wright
• 2012Wedding Day — Chef Cherie
• The Exes — Margo
• 2010Killers — Olivia
• Rizzoli & Isles — Coach JJ
• 2010Wreckage — Doctor Richardson
• Dance Your Ass Off — Creator
• Joy Behar: Say Anything!
• Celebracadabra — Contestant
• 2008Drillbit Taylor — Dolores
• 2007Entry Level — Kathy
• 2006Coffee Date — Sara
• Modern Men
• 2006Room 6 — Sgt. Burch
• Watch Over Me — Mabel
• Grey's Anatomy — Shirley Gregory
• It's Always Sunny in Philadelphia — Melissa Schemmenti
• 2005The Trouble with Dee Dee — Dee Dee Rutherford
• 2005War of the Worlds — Bartender
• 2004Shall We Dance? — Bobbie
• 2003Bruce Almighty — Debbie
• Las Vegas — Rose Gluck
• Nip/Tuck — Mrs. Hickock
• Breaking News — Rachel Glass
• 2001Early Bird Special — Janet
• Emeril — Cassandra Gilman
• Curb Your Enthusiasm — Nurse
• 2000Get Your Stuff — Nancy Perry
• Strong Medicine — Rita Harper
• 1998The Parent Trap — Chessy
• 1996Eddie — Claudine
• Life's Work — Lisa Ann Hunter, Creator
• My Wildest Dreams — Lisa McGinnis
• The Next Best Thing

Appearances as themselves (22)

• After Midnight — Self
• 2024The Year: 2024 — Self
• Celebrity Jeopardy! — Self - Contestant
• Dark Side of Comedy — Self
• Sherri — Self - Guest
• The Jennifer Hudson Show — Self - Guest
• 2020The Parent Trap Reunion! — Self
• Who Wants to Be a Millionaire — Self - Contestant
• 2019Still Laugh-In: The Stars Celebrate — Self
• The Kelly Clarkson Show — Self - Guest
• 25 Words or Less — Self
• The Late Late Show with James Corden — Self - Guest
• Late Night with Seth Meyers — Self - Guest
• Watch What Happens Live with Andy Cohen — Self - Guest
• Dancing with the Stars — Self - Guest Dancer, Self - Audience Member
• 2005The Naughty Show: Bad Girls of Comedy — Self
• Project Runway — Self - Special Guest
• Jimmy Kimmel Live! — Self - Guest
• Hollywood Squares — Self - Panelist
• The View — Self
• The Rosie O'Donnell Show — Self
• 1996Walt Disney World Very Merry Christmas Parade — Self