
Can accidental detective John 'Ludwig' Taylor crack the biggest puzzle of his life - finding his missing brother?
David Mitchell John 'Ludwig' Taylor
Anna Maxwell Martin Lucy Betts-Taylor
Dipo Ola DI Russell Carter
Dylan Hughes Henry Betts-Taylor
Dorothy Atkinson DCS Carol Shaw
Ralph Ineson Chief Constable Ziegler
Gerran Howell DC Simon Evans
Izuka Hoyle DS Alice Finch
Sophie Willan Holly Pinder
Ben Ashenden DC Ethan Cole
Rumi Sutton DC Caitlin Sullivan
Mark Bonnar Gareth Fisher