David Mitchell

as John Taylor

Anna Maxwell Martin

as Lucy Betts-Taylor

Dipo Ola

as DI Russell Carter

Dorothy Atkinson

as DCS Carol Shaw

Gerran Howell

as DC Simon Evans

Sophie Willan

as Holly Pinder

Izuka Hoyle

as DS Alice Finch

Dylan Hughes

as Henry Betts-Taylor

Ralph Ineson

as Chief Constable Ziegler

Derek Jacobi

as Mr. Todd

Karl Pilkington

as DI Matt Neville