“Adolescence” star Stephen Graham , Oscar nominee Andrea Riseborough (“To Leslie”) and Anson Boon (“1917”) lead the twisted thriller “Good Boy,” the English-language debut from Academy Award nominee Jan Komasa (“Corpus Christi”), which premieres Sept. 6 in the Centrepiece strand of the Toronto Intl. Film Festival.

The film stars Boon as Tommy, a 19-year-old hooligan who wakes up from an all-night bender in the basement of a strange suburban home, bound with a chain around his neck. Soon he learn that he’s being held by well-to-do Chris (Graham) and his neurotic wife Kathryn (Riseborough), a dysfunctional couple whose project of forced rehabilitation is designed to turn wild-child Tommy into a “good boy.”

Based off a script by newcomer Bartek Bartosik, along with British writer and

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