Samuel L. Jackson, Joan Cusack, Bradley Whitford Join Brie Larson's 'Unicorn Store'

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From left: Samuel L. Jackson, Joan Cusack, Bradley Whitford

The 'Room' star is making her directorial debut with the project.

Samuel L. Jackson, Joan Cusack and Bradley Whitford will join Brie Larson in her directorial debut, Unicorn Store.

Based on an original screenplay by Samantha McIntyre, the comedy centers on a woman (Larson) who moves back in with her parents. She receives an invitation to a store that will test her ideas of what it really means to grow up.

Larson, Lynette Howell Taylor, Paris Kasidokostas-Latsis, Terry Dougas and The District's David Bernad and Ruben Fleischer, who developed the script, are producing the film, which is being executive produced by Jean-Luc De Fanti, Anne Woodward and McIntyre. Hercules Film Fund is fully financing with Rhea Films producing the comedy, which just began principal photography in Los Angeles.

WME is representing domestic rights to Unicorn Store.

It's a reunion for Larson and Jackson, who worked together on Kong: Skull Island, which Warner Bros. will release on March 10. Jackson was most recently seen in Tim Burton's Miss Peregrine's Home for Peculiar Children. He is repped by ICM Partners and Anonymous Content.

Cusack starred on Showtime’s Shameless with Emmy Rossum, and will next be seen in Netflix’s upcoming series A Series of Unfortunate Events with Neil Patrick Harris. She is repped by WME.

Whitford most recently starred alongside Bryan Cranston in HBO’s All The Way and will next appear in Megan Leavey with Kate Mara and Tom Felton, and in Jordan Peele's Get Out for Universal and due out in February. He is repped by ICM Partners and Greenlight Management.