ET exclusively spoke with the actor on Thursday, ahead of the release of his new movie, 'Our Friend.'
ET spoke to the stars of the new film 'Our Friend,' premiering in select theaters and on-demand Jan. 22.
Cate Blanchett will serve as president of the competition jury.
The leading man also discusses his new film, 'Light of My Life.'
The actress presented Affleck with his Best Actor Oscar in 2017.
ET has learned that the 46-year-old actor will 'continue to work with a sober coach, attend therapy and meditation classes.'
Family is everything for the Affleck family -- through the good and the bad.
ET sat down with Affleck and his co-star Tika Sumpter to talk about their upcoming movie, 'The Old Man and the Gun,' in theaters Sept.
The actor opened up about his older brother's sobriety struggle and recovery.
Casey Affleck is giving his thoughts on the #MeToo and Time's Up movements, after he caused controversy for his 2017 Oscar win for Best
The two Oscar winners took the stage to present one of the major acting awards on Sunday.
The 90th Annual Oscars -- hosted by comedian Jimmy Kimmel for the second consecutive year -- kicks off March 4 at 8 p.m. ET, 5 p.m. PT on ABC.
ET can confirm that the Oscar winner will not be attending this year's ceremony.
