Lennie James will star in and executive produce the ITV thriller "Nightswimming," created by Harry and Jack Williams. He plays Matthew, who returns to his home in Portugal years after being convicted of murdering his family. Filming is due to begin there in spring 2027.

Lennie James is leading the ITV thriller "Nightswimming," about a man accused of brutally murdering his family years ago. James plays Matthew, who returns to his home in Portugal after years away. James also executive produces the series.

The story

Matthew returns to Portugal a long time after he was accused and convicted of murdering his entire family in a single night. His wife and two sons were attacked in their beachfront home while he was out for his usual night swim in the ocean.

The creators and cast

The series was created by Harry and Jack Williams, founders of Two Brothers Pictures. Their Banijay-backed company has made Fleabag, The Tourist and Prime Video's upcoming Danger Money starring Ray Winstone. The series stars multi-Bafta and RTS award-winning actor, writer and producer Lennie James. It is one of his first chunky roles since he won a BAFTA for leading the BBC's adaptation of Bernardine Evaristo's Mr Loverman.

Production

Harry and Jack Williams will also act as executive producers. ITV director of drama Polly Hill will oversee production for the broadcaster, with the Williams brothers executive producing alongside Daisy Mount, Sarah Hammond and James. Cleo Hetherington is co-executive producer and Georgina Lowe is producer. Banijay Rights will handle global distribution.

Filming is due to begin in Portugal in spring 2027, according to the Williams brothers. The series has no release date yet.