American actor, born in 1989, the youngest of the Culkin acting family, known for Signs, You Can Count on Me and a string of unsettling indie roles. He rounds out the announced Nocturne cast with Zazie Beetz, Stephen Graham, Liev Schreiber and Chrissy Metz. The Apple TV+ series, arriving October 30, 2026, launched with a New York premiere where the cast story briefly shared top billing with Beetz’s first-baby news.
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Mentioned in: A Decade After an Acting Workshop: Inside Zazie Beetz and David Rysdahl’s Road to Baby No. 1