Fred Barron Creator, Writer Robert Lindsay Ben Harper Actor Zoë Wanamaker Susan Harper Actor Daniela Denby-Ashe Janey Harper Actor Gabriel Thomson Michael Harper Actor Tayler Marshall Actor Keiron Self Actor Kris Marshall Nick Harper Actor Ben Uttley Actor Daniel Hill Anecdote Passenger Actor Hannah Waddingham Katie Actor Oliver Boot Andre Actor Darin Henry Writer Actor, Writer Cicely Giddings Sister Brenda Actor Rodney Litchfield Junior Actor Elizabeth Bower Young Couple Actor Belinda Stewart-Wilson Twyla Curtis Actor Mike Walling Vicar Actor Milanka Brooks Francesca Actor Tony Bluto Barman Actor Karina Fernandez Flight Attendant Actor Ed Bye Director John Bartlett Producer Ed Dyson Writer David Cantor Writer