Kieran Culkin's On-Stage Pot Prank: A Hilarious Blunder

Kieran Culkin, known for his role in 'Succession,' once swapped a prop joint with real marijuana as a prank on Mark Ruffalo during their 2000 stage production 'The Moment When.' Culkin, 17 at the time, expressed relief it didn't backfire, noting that he wouldn't repeat such stunts today.

Kieran Culkin, star of the hit series 'Succession,' has revealed a mischievous prank he once played on actor Mark Ruffalo during their time in a 2000 stage production.

In an interview with The Guardian, Culkin recounted how, at 17, he replaced a prop joint with real marijuana. Despite acknowledging the move as a 'stupid' prank, he expressed relief that it ended well.

The young actor realized that such antics could have serious consequences, noting, 'I know better now.' Culkin, who is currently featuring in 'A Real Pain,' reflects on his youthful mischief as a learning experience.

(With inputs from agencies.)