John Krasinski confirms cast for A Quiet Place: Part III In a social media post, actor and director John Krasinski has confirmed the cast forms upcoming horror A Quiet Place: Part III. 16 March 2026 John Krasinski has confirmed the cast for A Quiet Place: Part III. John Krasinski has confirmed the cast for A Quiet Place: Part III The director revealed Jack O'Connell, Jason Clarke and Katy O'Brian will join returning stars Emily Blunt, Cillian Murphy, Millicent Simmonds and Noah Jupe in the next instalment of his hit horror franchise.