Mae’r gyfres wedi’i rhannu’n wyth pennod awr o hyd gyda chast trawiadol sy’n cynnwys Richard Coyle (Coupling, Crossbones) a Tom Riley (Da Vinci’s Demons).
The new series is made up of eight hour long episodes and features  an impressive ensemble cast which includes  Richard Coyle ( Coupling, Crossbones) and Tom Riley (Da Vinci’s Demons).