The Pointless host s hit debut novel - which is being turned into movie - follows a group of friends in a retirement home who solve cold cases for fun, but become entangled in a real murder.
The TV presenter, 53, announced the incredible cast on the latest episode of his podcast, The Rest is Entertainment with Marina Hyde, adding that filming is set to begin in June.
Three of the four main characters for the movie adaptation of Richard Osman’s The Thursday Murder Club have been cast, and the roles are being filled by so