June 23, 2014 - 15:05 AMT
Robert Downey Jr. defends father Robert Duvall in “The Judge” trailer

Warner Bros. has released the first trailer for David Dobkin's “The Judge” which stars Robert Downey Jr. and Robert Duvall, TheWrap said.

Downey Jr. sheds his “Iron Man” suit to play a hot-shot defense attorney whose estranged father, a former judge, is accused of murder. Downey Jr. heads home to Indiana to defend him.

Duvall plays Downey Jr.'s father, while Billy Bob Thornton plays the prosecutor trying to lock him up.

Also read: Lindsay Lohan Responds to Sentence: ‘I Support the Judge's Decision’ (Updated)

Vera Farmiga, Vincent D'Onofrio, Leighton Meester, Melissa Leo, Dax Shepard and David Krumholtz co-star in the movie, which Warner Bros. will release October 10.