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Kathryn Gallagher

Kathryn Gallagher

Actor, Music Department, Producer

Born July 23, 1993 in New York City, New York, U.S.

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Biography

Kathryn Gallagher is a Grammy Award-winning actress and singer-songwriter, best known for her work on stage and screen. In 2021, she won a Grammy Award for Best Musical Theater Album for her role in the Broadway musical "Jagged Little Pill" inspired by Alan's Morissette and written by Diablo Cody. Her powerful performance in the show also earned her a 2020 Tony Award nomination for Best Featured Actress in a Musical, where she portrayed Bella Fox, a character navigating trauma and self-discovery.

Most recently, Kathryn plays crucial supporting role the TIFF hit Woman of the Hour (2023) directed by Anna Kendrick. Additionally, she is seen in Alex Ross Perry's biopic/documentary hybrid film about the band Pavements (2024).

Kathryn made her Broadway debut as the voice of 'Martha' in Deaf West's production of Spring Awakening. She is also a talented singer/songwriter, with her music having had placements in film/TV such as Younger (2015), Covert Affairs (2010), and Stuart Blumberg's Thanks for Sharing (2012). She also had three original songs in the feature "Someday This Pain Will Be Useful to You", directed by Roberto Faenza and produced by Elda Ferri, who produced "Life is Beautiful." Her song "Mess of a Machine" appears on John O'Callaghan's album "Unfold," released April 2011.

In the television space, Gallagher can most recently be seen in a recurring role on HBO Max show Gossip Girl (2021). She also is featured in Andrew Rannells's episode of Amazon's Modern Love (2019). Previous television work includes the fan-favorite role of 'Annika Atwater' in Season 2 of Netflix's You (2018), and a nice recurring arc on The CW's The Flash (2014).

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Filmography

Actor

26

Type

Year

Ordinary Girl in a Tiara Poster

Ordinary Girl in a Tiara TV Movie2025Philippa Levreaux

Pavements Poster

Pavements Feature Film2024Kathryn Gallagher

Parachute Poster

Parachute Feature Film2023Gwen

Woman of the Hour Poster

Woman of the Hour Feature Film2023Charlie

Gossip Girl Poster

Gossip Girl TV Series2021Heidi Bergmann

Acting for a Cause Poster

Acting for a Cause TV Series2020Friar Lawrence

Ben Platt Live from Radio City Music Hall Poster

Ben Platt Live from Radio City Music Hall TV Special2020Self

Boy*Friends Poster

Boy*Friends TV Movie2020Mildred

One Night Only: The Best of Broadway Poster

One Night Only: The Best of Broadway TV Special2020Performer

Stars in the House Poster

Stars in the House TV Series2020Self

Take Me to the World: A Sondheim 90th Birthday Celebration Poster

Take Me to the World: A Sondheim 90th Birthday Celebration TV Special2020Performer

Voices of Compassion Poster

Voices of Compassion Feature Film2020Self - Performer

Modern Love Poster

Modern Love TV Series2019Whitney

You TV Series2018Annika Atwater

Indoor Boys Poster

Indoor Boys TV Series2017Matilda

Broadway Profiles with Tamsen Fadal Poster

Broadway Profiles with Tamsen Fadal TV Series2016Self

The 70th Annual Tony Awards Poster

The 70th Annual Tony Awards TV Special2016Self - Performer

Broadway.com #LiveatFive Poster

Broadway.com #LiveatFive TV Series2015Self

IMDb Originals Poster

IMDb Originals TV Series2015Self - Guest

Happy Pills Short Film2014Clare

Late Night with Seth Meyers Poster

Late Night with Seth Meyers TV Series2014Self - Performer

The Flash Poster

The Flash TV Series2014Lia

Senioritis Feature Film2011

Blue Bloods Poster

Blue Bloods TV Series2010Diane Butler

Working in the Theatre Poster

Working in the Theatre TV Series1976Self

Good Morning America Poster

Good Morning America TV Series1975Self - Jagged Little Pill

Music Department

1

Small Talk Poster

Small Talk Short Film2017

Producer

1

Small Talk Poster

Small Talk Short Film2017

Thanks

1

Saturday Night Seder Poster

Saturday Night Seder Video2020

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