Guest Stars Siân Brooke as Karen Oliver Chris as Freddy Darren Boyd as Scott Ophelia Lovibond as Erica Robyn Cara as Jen Phil Davis as Vic Paula Wilcox as Sandra Marian McLoughlin as Jilly Roderick Smith as John Imelda Staunton as Penny Co Starring Ava Talbot as Lauren Colin Mace as Michael Grafton Renu Brindle as Nina Malik Lorna Brown as Samantha Maxine Finch as Julie Okolo Rick Bacon as Simon Davis Cally Lawrence as Jeanette Hale Fen Wilson as Julie Farnby Fergal McElherron as Caoimhín Óg Ó hEachthighearna Dan March as Water Cooler Man 1 James Millard as Water Cooler Man 2