
Kieran Kyle Culkin (born September 30, 1982) is an American actor known for portraying distasteful yet sympathetic characters across stage and screen. His accolades include an Academy Award, a BAFTA Award, a Primetime Emmy Award, and two Golden Globe Awards.
Culkin began his career as a child actor in off-Broadway theatre productions. He debuted his feature film alongside his older brother, Macaulay, in the Christmas comedy Home Alone (1990). After achieving his breakthrough role as a sardonic teenager in the comedy-drama Igby Goes Down (2002), which earned him his first Golden Globe Award nomination, Culkin took a break from the screen due to personal conflicts. He returned to film six years later by playing Wallace Wells in the action comedy Scott Pilgrim vs. the World (2010). Culkin won the Academy Award for Best Supporting Actor for his performance as a grief-stricken cousin in the buddy comedy A Real Pain (2024).
On television, Culkin found a career resurgence with his portrayal of Roman Roy in the HBO drama series Succession (2018–2023), for which he won the Primetime Emmy Award for Outstanding Lead Actor in a Drama Series. His voice-acting work includes roles in Solar Opposites (2022–present) and Scott Pilgrim Takes Off (2023). On stage, Culkin starred in the West End and Broadway productions of Kenneth Lonergan's This Is Our Youth. He also portrayed Richard Roma in the Broadway revival of David Mamet's Glengarry Glen Ross (2025).
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Home Alone 2: Lost in New York
1992 · as Fuller

The Hunger Games: Sunrise on the Reaping
2026 · as Caesar Flickerman

Scott Pilgrim vs. the World
2010 · as Wallace Wells

Animal Farm
2026 · as Squealer (voice)

Movie 43
2013 · as Neil (segment "Veronica")

A Real Pain
2024 · as Benji Kaplan

Father of the Bride
1991 · as Matty Banks

The Cider House Rules
1999 · as Buster

She's All That
1999 · as Simon Boggs

Father of the Bride Part II
1995 · as Matty Banks

No Sudden Move
2021 · as Charley Barnes

Nowhere to Run
1993 · as Mike 'Mookie' Anderson

Untitled Nancy Meyers Film
2027

Lymelife
2008 · as Jimmy Bartlett

Only the Lonely
1991 · as Patrick Muldoon Jr.

The Mighty
1998 · as Kevin "Freak" Dillon

Margaret
2011 · as Paul

Amanda
1996 · as Biddle Farnsworth