Guest Stars Tom Chadbon as Henry Williams Richard Dillane as Sean Anderson Mark Letheren as Ben Harding Adrianna Bertola as Sharice Brooks Danny Emes as Lucas Anderson Miffy Englefield as Amelia Anderson Amy Manson as Abby Evans Luke Hamill as Alex Justin Salinger as David Elizabeth Croft as Keely Matt Green as Tom Clive Bonelle as Herbert Danielle Walters as Childminder Jonathan Ryland as Ledley Jonathan Bryan as Andy