Planet of the Apes films star Toby Kebbell has been tapped as the male lead opposite Lauren Ambrose in Apple’s upcoming psychological thriller series from M. Night Shyamalan and British TV writer Tony Basgallop.

The plot of the series has not been revealed, but we hear it follows parents Dorothy (Ambrose) and Sean Turner (Kebbell), who have hired young nanny Leanne to help care for their newborn child. Grint will play Julian Pearce, Dorothy’s (Ambrose) younger brother.

Kebbell’s Sean is a professional chef and father. In addition to Ambrose, Kebbell joins previously cast Rupert Grint and Nell Tiger.

The untitled project, which received a straight-to-series order, was created by Basgallop, who will write and executive produce the series. Shyamalan is executive producing and will direct the first episode.

The series will be produced by Shyamalan’s Blinding Edge Pictures, with the company’s Ashwin Rajan serving as executive producer alongside the Escape Artists team of Jason Blumenthal, Todd Black and Steve Tisch. Taylor Latham will co-executive produce.

Kebbell recently starred in Whitney Cumming’s film The Female Brain and in The Hurricane Heist, directed by Rob Cohen. He’s repped by ICM Partners, Independent Talent and attorney Steve Warren at HJTH.