EXCLUSIVE: Willa Fitzgerald, Ione Skye and Daithí Ó Haragáin have joined Brie Larson in the Sony Pictures’ thriller Skeletons. JT Mollner is directing the pic. Kyle Gallner is also on board.

The film is a modern take on the creature horror film told from the perspective of a young boy who slowly begins to discover that his beloved parents are hiding a disturbing secret about his mother’s true nature.

Brian Duffield wrote the initial screenplay based off the short story by Phillip Fracassi, with revisions by Mollner. Sony Pictures picked up worldwide rights during this year’s EFM with FilmNation, WME, and CAA handling the sale.

The movie hails from FilmNation Entertainment’s production label Infrared, J.J. Abrams’ Bad Robot Productions, and Assemble Media. Drew Simon, Abrams and Jon Cohen will produce along with Jack Heller. Assemble’s Caitlin de Lisser-Ellen and Duffield will exec produce as well as Roy Lee and Steven Schneider. Larson and Fracassi are also exec producing. Infrared is financing.

Fitzgerald recently co-starred in Regretting You based on the best-selling novel by Colleen Hoover and Kathryn Bigelow’s A House of Dynamite. She drew critical acclaim in JT Mollner’s Strange Darling, where she starred opposite Kyle Gallner who also joined the cast for Skeletons. She is repped by CAA, Untitled, and Jackoway Austen.  

Skye’s prolific career spans decades where she starred in modern classic like Say Anything. Recently she was featured in Anaconda for Sony Pictures. She is repped by CP Artist Management, Paradigm Talent Agency, and Management Production Entertainment.

Ó Haragáin is an emerging Irish talent who recently can be seen in the critically acclaimed miniseries Trespasses and was previously featured in the limited series, Say Nothing. He is repped by Thompson and Borland Talent Management.