Mark Ruffalo revealed how he handled being pranked by Kieran Culkin - who swapped a prop joint for a real one - on the ...

Culkin and Ruffalo shared the stage in Playwright Horizons' 2000 production of James Lapine's "The Moment When." ...

Succession’ star revealed that he switched prop joints for the real thing while starring in an off-Broadway production when ...

Kieran Culkin is coming clean about the prank he played on Mark Ruffalo 25 years ago. The A Real Pain actor, 42, revealed in ...

Kieran Culkin has admitted he's the "naughty young actor" who once got Mark Ruffalo high during a play by replacing a prop ...

Kieran Culkin has confessed. The star of “A Real Pain” and “Succession” admitted that he once swapped a prop joint for one ...

With a stash of prop joints backstage, Culkin couldn’t resist the temptation to swap one out. “Uh-oh. I believe it’s happened ...

Kieran Culkin has revealed himself as the “naughty young actor” who was responsible for getting Mark Ruffalo and other ...

The actor responsible for getting Mark Ruffalo high on stage during an off-Broadway play reveals himself: Kieran Culkin cops ...

Kieran Culkin has come forward as the culprit who got Mark Ruffalo high during a performance of The Moment When more than two ...

After Mark Ruffalo said a "naughty young actor" once got him high on stage when switching a prop joint for the real thing, ...

Kieran Culkin opened up about getting Mark Ruffalo, 57, high while they were in a play together by swapping a prop joint for ...