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

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

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

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

Kieran Culkin has admitted that he once swapped a prop joint for a real one while acting in a play alongside Mark Ruffalo ...

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 ...

Kieran Culkin has admitted he mad a ‘stupid’ mistake when he pulled a bold prank on an unsuspecting Mark Ruffalo.

Mattey Beniers & Kaapo Kakko to each get a point at +400 is too good for Josh Inglis to pass up in his favorite NHL player ...

Kieran Culkin recalled how he swapped a prop joint with real marijuana while pulling his prank on Mark Ruffalo ...