Busy FilmNation has boosted its Cannes slate with a pair of films starring Brie Larson, riding high on a Gotham Award win for her lead role in Short Term 12.

CEO Glen Basner will introduce buyers on the Croisette to captivity tale Room, while separately ScreenDaily has learned Basner will represent select territories on Paramount crime thriller The Gambler, in which Larson stars opposite Mark Wahlberg.

Lenny Abrahamson will direct Emma Donoghue adaptation Room, the story of a young mother who shelters her five-year-old son from the truth that the tiny shed they inhabit is in fact the site of their incarceration after she was kidnapped years ago as a teenager.

Donoghue adapted the screenplay from her 2010 bestseller of the same name. Ed Guiney will produce and Andrew Lowe is executive producer for Irish production company Element Pictures alongside Tessa Ross, Sue Bruce Smith and Rose Garnett for Film4.

The Irish Film Board is developing the project with Film4. UTA Independent Film Group represents North American rights and assembled financing with Element Pictures.

FilmNation did not return calls about The Gambler. Paramount has earmarked a 2015 release for the story of a literature professor with a gambling problem who falls fouls of gangsters.

Rupert Wyatt, who scored a global hit with 2011 release Rise Of The Planet Of The Apes, directed from a screenplay by William Monahan, the Oscar-winning writer of The Departed.