David Mitchell
John 'Ludwig' Taylor / James Taylor / Executive Producer
While seeking to unravel the mystery of his twin brother's disappearance, reclusive puzzle-designer John 'Ludwig' Taylor takes on his twin brother James's identity as DCI on Cambridge's major crimes squad.
Ludwig
John 'Ludwig' Taylor / James Taylor / Executive Producer
Lucy Betts-Taylor
DI Russell Carter
DCS Carol Shaw
Henry Betts-Taylor
Chief Constable Ziegler
DS Alice Finch
DC Simon Evans
DC Ethan Cole
DC Caitlin Sullivan
Holly Pinder
Gerran Howell
Joanne Kemper MP
Young John
Jane
Carla
Sarah Gilmarsh
Esther Taylor
Brian
Jamie
