Mike Birbiglia (/bɜːrˈbɪɡliə/; born June 20, 1978) is an American stand-up comedian, actor, director, producer and writer.

His feature-length directorial debut Sleepwalk with Me (2012), based on his one-man show of the same name and in which he also starred, won awards at the Sundance and Nantucket film festivals.

His 2010 book Sleepwalk with Me and Other Painfully True Stories was a New York Times bestseller and a finalist for the 2011 Thurber Prize for American Humor.

His sister was able to get him an interview on Conan O'Brien's show as an intern, where he worked for associate producer Jordan Schlansky.

His next two albums, Two Drink Mike (2006), and My Secret Public Journal Live (2007) were released on Comedy Central Records.

[17] In 2008 CBS picked up a sitcom pilot loosely based on Birbiglia's life and featuring him, Bob Odenkirk and Frances Conroy that ultimately never aired.

[29] Birbiglia made his directorial debut with Sleepwalk with Me, based on his one-man show and which he wrote, directed, and starred in.

[32] The film was produced by Jacob Jaffke and This American Life's Ira Glass and stars Birbiglia, Lauren Ambrose, Carol Kane, James Rebhorn, and Cristin Milioti and has cameos by Glass, Kristen Schaal, Wyatt Cenac, David Wain, Jessi Klein, John Lutz and Marc Maron.

[40] He played the role of Oscar Langstraat in the third and fifth seasons of Showtime's hit show Billions and Danny Pearson on the Netflix series Orange Is the New Black in its third and fourth seasons, with which he shared the 2016 Screen Actors Guild Award for Outstanding Performance by an Ensemble in a Comedy Series.

[43][44] My Girlfriend's Boyfriend was featured as the number one stand-up special of 2013 by Vulture,[45] Paste,[46] The Laugh Button[47] and Laughspin.

[9][51] Birbligia also stars among an ensemble cast including Keegan-Michael Key, Gillian Jacobs, Kate Micucci, Tami Sagher, and Chris Gethard.

In March 2020, Birbiglia created a charity initiative called "Tip Your Waitstaff" with fellow comics to raise money for comedy clubs closed because of COVID-19.

[3] In 2022, Birbiglia premiered his show titled The Old Man and the Pool at the Steppenwolf Theatre Company in Chicago, where it ran from April 28 to May 22.

[62] He later opened the show on Broadway at the Vivian Beaumont Theater, where it ran from November 13, 2022, to January 15, 2023,[63] and at the Wyndham's Theatre in London's West End between September 12, 2023, and October 7, 2023.