EXCLUSIVE: Alexandra Park is set to join Julia Roberts, Lucas Hedges and Kathryn Newton in the drama, Ben Is Back, written Peter Hedges, who is also attached to direct.

The film centers on a troubled Ben Burns (Hedges), who returns home to his unsuspecting family one fateful Christmas Eve. Ben’s wary mother Holly Burns (Roberts) welcomes her beloved son’s return but soon learns he is still very much in harm’s way. During the 24 hours that might change their lives forever, Holly must do everything in her power to avoid the family’s downfall. Park will play Cara K, who meets Ben at an AA meeting.

Nina Jacobson and Brad Simpson’s Color Force are producing the project, which is slated to begin shooting next month, with Hedges and Teddy Schwarzman of Black Bear Pictures. 30WEST and Black Bear fully financing the picture, with CAA handling U.S. rights, and Sierra/Affinity on international rights.

Park, who plays the sassy and unpredictable Princess Eleanor on the E! series The Royals, which returns for Season 4 some time next year, is repped by UTA and Silver Lining Entertainment.