Kelli O'Hara is an American actress and singer, who appeared on Broadway and Off-Broadway in many musicals since making her debut as a replacement in "Jekyll & Hyde" in 2000, and in many guest roles on television.
| Movie | The Metropolitan Opera: The Hours | Laura Brown | 2022-12-10 |
| Series | The Gilded Age | Aurora Fane | 2022-01-24 |
| Movie | The Independents | Kelly | 2021-02-26 |
| Movie | Myths and Hymns | Soloist, "Migratory V," "The Great Highway" | 2021-01-13 |
| Movie | The Kennedy Center at 50 | Self | 2021-10-01 |
| Movie | Show of Titles | "The Light in the Piazza" Performer | 2021-06-13 |
| Movie | All the Bright Places | Sheryl | 2020-02-28 |
| Movie | Christmas Day in the Morning | Self | 2020-10-16 |
| Movie | The Metropolitan Opera: La Bohème | Self - Host | 2018-02-24 |
| Movie | The Metropolitan Opera: Così fan tutte | Despina | 2018-03-31 |
| Movie | Always at The Carlyle | Self | 2018-05-11 |
| Movie | The King and I | Anna Leonowens | 2018-11-29 |
| Series | The Good Fight | Diedre Kresteva | 2017-02-19 |
| Movie | Broadway: The Next Generation | Self | 2017-11-16 |
| Movie | The Metropolitan Opera: The Merry Widow | Valencienne | 2015-01-17 |
| Movie | Peter Pan Live! | Mrs. Darling | 2014-12-04 |
| Movie | Rodgers and Hammerstein's Carousel: Live from Lincoln Center | Julie Jordan | 2013-04-26 |
| Movie | Sex and the City 2 | Ellen | 2010-05-26 |
| Movie | South Pacific | Ensign Nellie Forbush | 2010-08-18 |
| Series | Blue Bloods | Lisa | 2010-09-24 |
| Series | Click and Clack's As the Wrench Turns | 2008-07-09 | |
| Movie | Mitzi Gaynor: Razzle Dazzle! The Special Years | Self | 2008-11-08 |
| Movie | The Key to Reserva | Grace Thornberry | 2007-12-14 |
| Movie | The Dying Gaul | Liz | 2005-01-20 |
| Series | Numb3rs | Unknown | 2005-01-23 |
| Movie | Jekyll & Hyde: The Musical | Katie | 2001-09-11 |
| Series | The View | Unknown | 1997-08-11 |
| Series | All My Children | Unknown | 1970-01-05 |