Plot
John Taylor lives in quiet solitude, designing puzzles for a living, under the nom-de-plume of 'Ludwig'. When his identical twin, James, disappears off the face of the earth, John takes over his brother's identity in a quest to discover his whereabouts.
Cast
David Mitchell
as John 'Ludwig' Taylor
Anna Maxwell Martin
as Lucy Betts-Taylor
Dipo Ola
as DI Russell Carter
Gerran Howell
as DC Simon Evans
Izuka Hoyle
as DS Alice Finch
Dorothy Atkinson
as DCS Carol Shaw
Sophie Willan
as Holly Pinder
Dylan Hughes
as Henry Betts-Taylor
Ralph Ineson
as Chief Constable Ziegler