Robert Lindsay Ben Harper Actor Zoë Wanamaker Susan Harper Actor Gabriel Thomson Michael Harper Actor Daniela Denby-Ashe Janey Harper Actor Siobhan Hayes Actor Kris Marshall Actor Keiron Self Actor Dewi Humphreys Director Fred Barron Writer, Executive Producer James Hendrie Writer Steve Armogida Writer Andrea Solomons Writer Sophie Hetherington Writer Ian Brown Writer Jim Armogida Writer