The 'Real Pain' star beat out fellow nominees Jonathan Bailey, Yura Borisov, Edward Norton and Jeremy Strong for the coveted title.

Nominees in the category included Jonathan Bailey, Yura Borisov, Kieran Culkin, Edward Norton and Jeremy StrongKieran Culkin had a lot to say at the 2025 SAG Awards.The star, 42, won outstanding performance by a male actor in a supporting role for A Real Pain at the 31st annual Screen Actors Guild Awards on Sunday,

Expect the unexpected with a Kieran Culkin speech. The “Succession” star, 42, won the SAG Award for Outstanding Performance by a Male Actor in a Supporting Role for “A Real Pain” on Sunday, and during his speech he randomly called out Adrien Brody.