Rory Hugh Culkin (born July 21, 1989) is an American actor who is known for his roles in Scream 4, You Can Count on Me and M. Night Shyamalan's Signs and is the younger brother of actors Macaulay Culkin and Kieran Culkin.
Culkin was born in New York City, the son of Patricia Brentrup and Christopher 'Kit' Culkin, a former stage actor with a long career on Broadway. Culkin is the youngest of seven children; he has four brothers: Shane (b. 1976), Macaulay (b. 1980), Kieran (b. 1982), and Christian (b. 1987), and two sisters: Dakota (1979–2008) and Quinn (b. 1984). Culkin is the nephew of actress Bonnie Bedelia, who is his father's sister.
Culkin began acting by playing alongside his elder brothers, among them Macaulay and Kieran, often as the younger versions of their characters. He first appeared in a photograph as a baby in The Good Son, then as Young Richie in Ri¢hie Ri¢h (Richie being played by his brother Macaulay) and in 2002, played 10-year-old Igby in Igby Goes Down (17-year-old Igby was played by his older brother Kieran).