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Julie Beth Hagerty (born June 15, 1955) is an American actress. She starred as Elaine Dickinson in the films Airplane! (1980) and Airplane II: The Sequel (1982). Her other film roles include A Midsummer Night's Sex Comedy (1982), Lost in America (1985), What About Bob? (1991), She's the Man (2006), A Master Builder (2014), Instant Family (2018), Noelle, Marriage Story (both 2019), and A Christmas Story Christmas (2022).
| Year | Title | Role | Notes |
| 1980 | Airplane! | Elaine Dickinson | |
| 1982 | A Midsummer Night's Sex Comedy | Dulcy Ford | |
| Airplane II: The Sequel | Elaine Dickinson | ||
| 1985 | Lost in America | Linda Howard | |
| Goodbye, New York | Nancy Callaghan | ||
| Bad Medicine | Liz Parker | ||
| 1987 | Beyond Therapy | Prudence | |
| Aria | - | Segment: Les BoréadesUncredited | |
| 1989 | Bloodhounds of Broadway | Harriet MacKyle | |
| Rude Awakening | Petra Black | ||
| 1990 | Reversal of Fortune | Alexandra Isles | Uncredited |
| 1991 | What About Bob? | Fay Marvin | |
| 1992 | Noises Off | Poppy Taylor | |
| 1995 | The Wife | Rita | |
| 1997 | U Turn | Flo | |
| 1998 | Mel | Bonnie | |
| 1999 | Held Up | Gloria | |
| The Story of Us | Liza | ||
| 2000 | Baby Bedlam | Sindi | |
| 2001 | Freddy Got Fingered | Julie Brody | |
| Storytelling | Fern Livingston | Segment: Non-Fiction | |
| 2002 | Bridget | Julie | |
| The Badge | Sister Felicia | ||
| 2003 | A Guy Thing | Dorothy Morse | |
| 2004 | Marie and Bruce | Party Guest at Frank's | |
| 2005 | Adam & Steve | Sherry | |
| Pizza | Darlene | ||
| A Host of Trouble | Sister Cletus | Short film | |
| Just Friends | Carol Brander | ||
| 2006 | A Slice of 'Pizza' | Darlene | Short film |
| She's the Man | Daphne Hastings | ||
| Pope Dreams | Kristina Venable | ||
| 2009 | Confessions of a Shopaholic | Hayley | |
| 2081 | Hazel Bergeron | Short film | |
| Make Up | Dorris Hallens | Short film | |
| 2013 | A Master Builder | Aline Solness | |
| 2015 | Larry Gaye: Renegade Male Flight Attendant | Elevator Flight Attendant | |
| 2018 | Instant Family | Jan | |
| 2019 | Marriage Story | Sandra | |
| Noelle | Mrs. Kringle | ||
| 2022 | A Christmas Story Christmas | Mrs. Parker | She replaced Melinda Dillon, who played the role in the 1983 original. |
| 2023 | Somebody I Used to Know | Libby | |
| The Out-Laws | Margie Browning | ||
| 2026 | Remain | Filming |
| Year | Title | Role | Notes |
| 1980 | The Day the Women Got Even | Lisa Harris | TV film |
| 1987 | Saturday Night Live | Mother | 1 episode |
| American Playhouse | Corrinna Stroller | Episode: "The House of Blue Leaves" | |
| Trying Times | Marsha | Episode: "The Visit" | |
| 1991 | Princesses | Tracy Dillon | Main role |
| 1992 | Lucky Luke | Betty Lou | Episode: "Una note di mezza estate a Daisy Town" |
| 1995 | Women of the House | Jennifer Malone | 2 episodes |
| 1996 | Sesame Street | Dr. Matthews | Episode: "Big Bird Gets the Birdy Pox" |
| London Suite | Anne Ferris | TV film | |
| Murphy Brown | Dana | 2 episodes | |
| 1997 | Heaven Will Wait | Jane | TV film |
| Remember WENN | Penelope Cominger | Episode: "The First Mrs. Bloom" | |
| ER | Brenda Wilkerson | Episode: "Calling Dr. Hathaway" | |
| 1998 | Tourist Trap | Bess Piper | TV film |
| The Love Boat: The Next Wave | Carrie Brook | Episode: "I Can't Get No Satisfaction" | |
| Reunited | Nikki Beck | Main role | |
| 1999 | King of the Hill | Ally | Voice, episode: "Three Coaches and a Bobby" |
| Boys Will Be Boys | Emily Clauswell | TV film | |
| Everybody Loves Raymond | Charlotte | Episode: "Working Girl" | |
| Jackie's Back! | Pammy Dunbar | TV film | |
| The Norm Show | Wendy | Episode: "Norm vs. Denby" | |
| Chicken Soup for the Soul | Mom | Episode: "The Giving Trees" | |
| 2002 | Greg the Bunny | Sandy Bender | Episode: "Father and Son Reunion" |
| 2003 | The Guardian | Helena Denby | Episode: "The Father-Daughter Dance" |
| 2003–2004 | Malcolm in the Middle | Polly | Recurring role |
| 2004 | Law & Order: Special Victims Unit | Mariel Plummer | Episode: "Careless" |
| Girlfriends | Dr. Rachel Miller | 3 episodes | |
| 2007 | The Winner | Irene Abbott | Main role |
| CSI: Crime Scene Investigation | Clarissa Niles | Episode: "Leapin' Lizards" | |
| 2009 | Cupid | Liv | Episode: "The Great Right Hope" |
| 2011–2019 | Family Guy | Carol Pewterschmidt / Carol West | Voice, recurring role |
| 2012–2013 | Happy Endings | Mrs. Kerkovich | 2 episodes |
| 2014 | Wilfred | Genevieve | 2 episodes |
| 2016 | New Girl | Nancy | Episode: "What About Fred" |
| 2017 | Trial & Error | Madame Rhonda | Recurring role |
| 2018 | Grace and Frankie | Shirley | Episode: "The Death Stick" |
| 2019–2020 | Black Monday | Jackie Georgina | Recurring role |
| 2025 | Matlock | Bitsy | 3 episodes |