Sean Gunn (born May 22, 1974) is an American actor. He is known for his roles as Kirk Gleason on The WB series Gilmore Girls (2000–2007) and Kraglin in the Marvel Cinematic Universe films Guardians of the Galaxy (2014), Guardians of the Galaxy Vol. 2 (2017) and Avengers: Endgame (2019). He is the younger brother of director James Gunn and often appears in his sibling's films.
Sean Gunn was born in St. Louis, Missouri, the youngest of six children. He is the brother of filmmaker James Gunn, actor and political writer Matt Gunn, screenwriter Brian Gunn, producer and former Executive Vice President of Artisan Entertainment Patrick, and a sister, Beth, who works as an employment attorney. Their parents are Leota and James F. Gunn, who is a retired partner and corporate attorney with the law firm Thompson Coburn in St. Louis.
Gunn and his brothers all attended the Jesuit St. Louis University High School, where he graduated in 1992. He then graduated from The Theatre School at DePaul University in 1996.