Ludwig

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.

• David MitchellJohn 'Ludwig' Taylor / James Taylor
• Anna Maxwell MartinLucy Betts-Taylor
• Dipo OlaDI Russell Carter
• Gerran HowellDC Simon Evans
• Izuka HoyleDS Alice Finch
• Dorothy AtkinsonDCS Carol Shaw
• Sophie WillanHolly Pinder
• Dylan HughesHenry Betts-Taylor
• Ralph InesonChief Constable Ziegler