Cillian Murphy and Jack O’Connell Are Playing Brothers in A Quiet Place Part III

The A Quiet Place franchise just became one of the most exciting horror properties heading into 2027, and it’s not just because of John Krasinski’s return. The casting of Cillian Murphy and Jack O’Connell together, in a film directed by Krasinski and co-starring Emily Blunt, represents a genuine assemblage of talent that puts Part III in a different league from most horror sequels. Murphy has been on an extraordinary genre run, 28 Years Later: The Bone Temple in 2025, and now this, while O’Connell’s Sinners performance made him one of the most talked-about actors of 2026. Two 28 Years Later co-stars playing brothers in a Quiet Place sequel is a casting choice that feels almost too good to be true. And it opens July 30, 2027.

What O’Connell Revealed

Speaking to Collider, Jack O’Connell confirmed the nature of his relationship to Murphy’s returning character, “A Quiet Place was, that felt like family. It’s about family, obviously. Got John Krasinski and Emily Blunt involved, and Cillian and I play brothers.” He also spoke warmly about the production’s atmosphere, “There was a real familial feel to that one. It was cool, man. But horror’s popping off. People are turning out for horror. So it’s great. Yeah, it’s amazing.”

The Full Cast

Emily Blunt, Millicent Simmonds, and Noah Jupe all return alongside Cillian Murphy. New additions include Jack O’Connell (Sinners, Unbroken), Jason Clarke (Terminator Genisys, Zero Dark Thirty), and Katy O’Brian (Love Lies Bleeding, Ant-Man and the Wasp: Quantumania). John Krasinski writes, directs, and produces.

The Franchise Context

The A Quiet Place universe now includes the original 2018 film, A Quiet Place Part II (2021), the 2024 Lupita Nyong’o-led prequel A Quiet Place: Day One, and a video game. Three films in, the franchise has grossed $900 million worldwide, and with the pedigree assembled for Part III, a fourth film crossing the billion-dollar mark looks not just possible but likely.

Plot details for A Quiet Place Part III are being kept entirely under wraps. The film opens in theaters on July 30, 2027.

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Ananya Bhaskar
Ananya Bhaskar
Hey, Ananya here. Horror movies by night, writing worlds by day. Popcorn optional, imagination mandatory.

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