Kieran Culkin Admits to Getting Mark Ruffalo High On Stage: ‘I Was 17 and Stupid'

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

Kieran Culkin Confesses to Swapping Mark Ruffalo's Prop Joint with Real Weed: ‘I Was 17 and Stupid'

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