Robert Lindsay Ben Harper Actor Gabriel Thomson Michael Harper Actor Daniela Denby-Ashe Janey Harper Actor Siobhan Hayes Actor Rosemary Leach Actor Rhodri Meilir Actor Robert Bathurst Guest Star Colin Stinton Guest Star Zoë Wanamaker Susan Harper Actor Keiron Self Actor Dewi Humphreys Director Fred Barron Writer Brian Leveson Writer Tom Leopold Writer Steve Armogida Writer Andrea Solomons Writer Paul Minett Writer Jim Armogida Writer Michael Jacob Executive Producer