Actor

Kathryn Gallagher

July 23, 1993 · New York City, New York, U.S.

Kathryn Gallagher is an American singer and actress best known for her portrayal of Bella Fox in the Broadway musical Jagged Little Pill, for which she received a Grammy Award for Best Musical Theater Album and a nomination for the Tony Award for Best Featured Actress in a Musical.

Notable work

7.8
The Flash (2014)
as Lia Nelson
8
You (2018)
as Annika and as Annika Atwater
6.4
Woman of the Hour (2024)
as Charlie
7.8
Blue Bloods (2010)
as Diane Butler
7.3
Modern Love (2019)
as Whitney
7.3
Gossip Girl (2021)
as Heidi Bergmann

Often works with

Lukas Gage
2 titles together
You, Parachute
Kelley Jakle
2 titles together
Woman of the Hour, Parachute
Tina Fey
2 titles together
Modern Love, One Night Only: The Best of Broadway
Kristen Bell
2 titles together
Gossip Girl, One Night Only: The Best of Broadway

Full filmography · 11

Ordinary Girl in a Tiara
as Philippa Levreaux
2025
Pavements
as Loretta
2025
Woman of the Hour
as Charlie
20246.4
Parachute
as Gwen
20246.6
Jagged Live In NYC: A Broadway Reunion Concert
as Bella
2020
One Night Only: The Best of Broadway
as Performer
2020