Kieran Culkin came forward as the culprit who got Mark Ruffalo high during a 2000 production of ‘The Moment When’ ...

Kieran Culkin has revealed himself as the “naughty young actor” who was responsible for getting Mark Ruffalo and other co-stars high during a Broadway production of The Moment When.

Kieran Culkin confesses to getting Mark Ruffalo and their co-stars high on stage during a 2000 production of James Lapine's 'The Moment When'. Joe Maher/Getty Images for BFI/Monica Schipper/Getty ...

Kieran Culkin admitted that he once tricked Mark Ruffalo and other co-stars into getting stoned during a live theatrical performance. “I was 17 and stupid,” Culkin said in a recent interview ...

The 42-year-old actor was just 17 when he starred in a 2000 production of James Lapine's The Moment When. One scene called for Ruffalo to roll and smoke a fake joint, with Culkin revealing there ...

"Mark says, 'I haven’t smoked pot in 10 years; the second half’s going to be so much fun,' " the 'A Real Pain' actor claims ...

Kieran Culkin has confessed. The star of “A Real Pain” and “Succession” admitted that he once swapped a prop joint for one spiked with real marijuana when he was cast in a stage production alongside ...

Turns out Kieran Culkin is more of “A Real Pain ... James Lapine’s “The Moment When,” it was he who switched Mark Ruffalo‘s prop joint for one filled with real marijuana, forcing ...