Edward Furlong in prison

Actor Edward Furlong is behind bars after allegedly violating a restraining order.

The troubled Terminator 2 star was jailed on Tuesday 11 Jan for reportedly contacting his estranged wife Rachael Kneeland.

LA officials filed criminal charges agaiynst Furlong last year and he pleaded the restraining order last month after coming within 50 yards from her.

The order stipulates him to stay 100 yards from her.

A judge ruled Furloong had violated his probation and the actor was cuffed and taken into custody.

He's being held on $75,000 bail, reports TMZ.com.