Noah Galvin

Galvin starred in two seasons of The Real O'Neals before the show was cancelled in 2017. Prior to this, Galvin appeared Off-Broadway for companies such as Signature, Playwrights Horizons, MCC, The Public, The Culture Project, The Flea, The Wild Project, New York Theatre Workshop, the Barrow Street Theater, Rattlestick and Ensemble Studio Theater. His audiobook work includes Stephen Chbosky's The Perks of Being a Wallflower and Matthew Quick's Forgive Me, Leonard Peacock.

In August 2017, Galvin was named as a temporary replacement for the title role in Broadway's Dear Evan Hansen, assuming the role after Ben Platt's departure. Galvin took over the Evan role on November 21, 2017, and played his final performance on February 4, 2018. In May 2018, Galvin was announced as part of the ensemble for Olivia Wilde's directorial debut Booksmart. The film premiered at the South by Southwest film festival on March 10, 2019, and was released theatrically in the United States on May 24, 2019.

Galvin joined the Broadway production of Waitress, playing Ogie from April 29, 2019, to August 18, 2019, after which Todrick Hall took over the role. Galvin narrated the character part of Arthur in What If It's Us, a novel by Adam Silvera and Becky Albertalli. He also subsequently voiced the role of the character of Prince Rupert in the Gimlet podcast, The Two Princes, which was released on June 4, 2019.

On February 17, 2020, Galvin starred in Manhattan Concert Productions' one-night-only 50th anniversary concert presentation of Joseph and the Amazing Technicolor Dreamcoat at Lincoln Center.

In 2020, Galvin joined the fourth season of the television series The Good Doctor in the recurring role of Dr. Asher Wolke. In 2021, he was promoted to season regular for its fifth season. His final episode aired on April 2, 2024, during the show's seventh and final season.

On June 9, 2022, it was announced that Galvin would star in the musical comedy film Theater Camp, inspired by the 2020 short film of the same name co-written with his partner Ben Platt, Molly Gordon and Nick Lieberman. The film had its world premiere at the 2023 Sundance Film Festival on January 21, 2023, and was acquired shortly after by Searchlight Pictures for a theatrical release beginning July 14, 2023. The movie soundtrack featuring original songs written by Galvin, Platt, Gordon, and Lieberman was released on the same day by Interscope Records. The film was released on streaming service Hulu and VOD on September 14, 2023. For his role of Glenn Winthrop, Galvin received a Best Supporting Performance nomination at the 39th Independent Spirit Awards.

In December 2022, Galvin starred in Meet Cute's holiday romantic comedy, Christmasuzannukkah, with Amy Sedaris. "As a Jew who loves Christmas and Amy Sedaris, I jumped at the opportunity to celebrate both," he said. "I think everyone will find something to love about Christmasuzannukkah."

On August 29, 2024, it was announced that Galvin would star alongside Beanie Feldstein and Kevin McHale in the Kennedy Center's production of The 25th Annual Putnam County Spelling Bee from October 11–20, 2024.