Jonathan Drew Groff (born March 26, 1985) is an American actor and singer. Known for his performances on stage and screen, he has received several accolades, including a Tony Award and a Grammy Award, as well as a  Primetime Emmy Award nomination. He was included in the annual Time 100 list of the most influential people in the world in 2026.

He began his career on Broadway, making his debut in the musical In My Life (2005). He later received Tony Award nominations for playing Melchior Gabor in the original production of the rock musical Spring Awakening (2006), King George III in the original production of the historical musical Hamilton (2015), and Bobby Darin in the original production of the jukebox musical Just in Time (2025). In 2024, he won the Tony Award for Best Actor in a Musical for playing Franklin Shepard in the musical revival of Stephen Sondheim's Merrily We Roll Along. He also starred as Seymour Krelborn in the Off-Broadway musical revival of Little Shop of Horrors in 2019.

On television, he began his career as a recurring guest star as Jesse St. James on the Fox musical-comedy series Glee (2009–15). He starred as Patrick Murray in the HBO comedy-drama series Looking (2014–15), the network's first series centring on the lives of gay men, as well as its subsequent television film, Looking: The Movie (2016). He portrayed FBI Special Agent Holden Ford in the Netflix period crime drama Mindhunter (2017–19). He was Primetime Emmy Award-nominated for his role in the Disney+ live stage recording of Hamilton (2020).

Groff made his film debut playing Michael Lang in Ang Lee's Taking Woodstock (2009). He has since played Louis J. Weichmann in The Conspirator (2010), Smith in The Matrix Resurrections (2021), and a father held hostage in Knock at the Cabin (2023). He also voiced both Kristoff and Sven in the Disney animated Frozen franchise, including Frozen (2013) and Frozen II (2019). In 2022, he executive-produced the HBO documentary film Spring Awakening: Those You've Known, which saw the 15-year reunion of the original cast of the musical.

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