Kathryn Gallagher

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.

Alongside acting, Kathryn Gallagher is also known as a singer.

Kathryn Gallagher's most notable role to date came in You (2018), where she played Annika. She also appeared in Woman of the Hour (2024) as Charlie. Most recently appeared in Gossip Girl (2021) as Heidi Bergmann.

Fans wanting to catch up on Kathryn Gallagher's work can find exactly where her shows and movies are streaming below — and TV Butler Pro makes it effortless to keep track of them all. Just search the title, and Butler finds it instantly, tells you which service has it, and remembers what you've already watched.