The trailer for Robert Downey Jr's latest film, The Judge, has been released.

Downey Jr plays big-city lawyer Hank Palmer, who returns to his hometown following the death of his mother.

He is shocked when his estranged father, and the town's judge, (Robert Duvall) is arrested on suspicion of murder after the funeral.

The Judge also stars Vera Farmiga, Billy Bob Thornton, Leighton Meester and Vincent D'Onofrio.

It opens in cinemas on October 17.