The duo join Dominique Swain, Thora Birch, Jena Malone, Marla Sokoloff and Anna Faris in the project, which follows the story of a group of women behind a male rock band that is on the verge of breakout success. West will play the bad-boy lead guitarist who is struggling to stay on track, while Haas is set to star as the drummer who falls for West's pregnant girlfriend (Faris).

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