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

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

Kieran Culkin admitted that he once tricked Mark Ruffalo and other co-stars into getting stoned during a live theatrical ...

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 admitted that he once swapped Mark Ruffalo's prop joint for real weed during a stage production in 2000.

Where there's smoke...there just might be an angry stage manager.

Kieran Culkin admitted that he once tricked Mark Ruffalo and other co-stars into getting stoned during a live theatrical performance. Since only one joint was smoked each night, it was anyone’s ...

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

"I was 17 and stupid," Culkin prefaced of his time in Playwright Horizons' production of James Lapine's play The Moment When at the time. "I'm like, 'I thought this was a good prank. I'm stupid.

Kieran Culkin, of course, is Macaulay Culkin's younger brother, and even appeared in Home Alone in 1990 in a small-ish role. Recently, Culkin admitted to getting Mark Ruffalo stoned as "a prank." ...