Larson also stars in the comedy, which begins shooting this month in Los Angeles.
Based on an original screenplay by Samantha McIntyre, “Unicorn Store” focuses on a grown woman (Larson) who moves back in with her parents. She receives an invitation to open a store that will test her ideas of what it really means to grow up.
Hercules Film Fund is fully financing with Rhea Films producing. Larson, Lynette Howell Taylor, Paris Kasidokostas-Latsis, Terry Dougas and The District’s David Bernad and Ruben Fleischer, who developed the script, are producing. Jean-Luc De Fanti, Anne Woodward and McIntyre are executive producing.
Jackson recently worked with Larson on Warner Bros.’ “Kong: Skull Island,” due in theaters on March 10.
Cusack, an Oscar nominee for “Working Girl” and “In & Out,” earned an Emmy Award last year for her role on Showtime’s “Shameless.”
Whitford, a two-time Emmy winner for “The West Wing,” most recently starred opposite Bryan Cranston in HBO’s “All the Way” and will next appear in “Megan Leavey” with Kate Mara and in Jordan Peele’s “Get Out.”
Larson is represented by WME and Authentic Talent and Literary Management. Jackson is represented by ICM Partners and Anonymous Content, Cusack by WME, and Whitford by ICM Partners and Greenlight Management. WME is representing the domestic rights to the film.