On Sunday evening, Kieran Culkin is up for the best supporting actor award at the Baftas. If he wins, he will probably give one of his startled, free-wheeling and characteristically funny speeches, though by now he may struggle to express surprise, given his extended run of triumphs at these events. In 2024, he picked up a Golden Globe for best actor in a television drama series for his performance as Roman Roy in Jesse Armstrong’s Succession. Last month, he nabbed the Golden Globe for best supporting actor for his role as Benji Kaplan in Jesse Eisenberg’s A Real Pain (he...