Seann William Scott: ‘I never cared about money – I would have done all the American Pies for free’

Thanks to ribald comedies like ‘Dude, Where’s My Car?’, ‘Road Trip’ and ‘Role Models’, the US actor helped define big-screen humour in the 2000s. So how’d he end up starring in a terrifying new horror movie? He speaks to Adam White about Hollywood, fatherhood, and the perils of playing dumb