Actor Emile Hirsch will serve 15 days in jail after the Into the Wild star pleaded guilty on Monday to a misdemeanor assault charge for putting a female movie executive in a headlock during a film festival, a court official said.

Actor Emile Hirsch has pleaded guilty to misdemeanour assault after being accused of putting a female studio executive in a chokehold at a Utah nightclub during the Sundance Film Festival.

Actor Emile Hirsch put a studio executive in a chokehold and dragged her across a nightclub table during the Sundance Film Festival, police have said.