The BAFTA-nominated actress will star opposite Tom Hiddleston in I Saw The Light.
Olsen will play Williams’ wife Audrey Mae in the RatPac Entertainment/Bron Studios project in association with Creative Wealth Media Finance.
Marc Abraham directs the project from his adapted screenplay based on Colin Escott’s biography about the singer’s rise to fame and its tragic effect on his life.
Olsen recently completed filming Avengers: Age Of Ultron and starred in summer release Godzilla.
I Saw The Light will commence production in Louisiana in October.
RatPac’s Brett Ratner and Bron Studios Aaron L Gilbert will produce alongside G Marq Roswell and Abraham. James Packer is the executive produce for RatPac Entertainment.