Guest Stars Fifi Fox as Sarah Beatty Tallulah Fox as Sarah Beatty Tuppence Middleton as Vicki Walmsley Neil Stuke as Professor Andrew Crane Emily Joyce as Jane Grace Catherine Steadman as Polly Beatty Sanjeev Bhaskar as Kanan Dutta Lesley Vickerage as Katherine Dutta Beatie Edney as Justine Skinner Dominic Mafham as Frank McLean Adam Wadsworth as Joshua Grace Marty Cruikshank as Woman Interviewee Edwin Thomas as Reuben Beatty Suzette Llewellyn as Susan Smith Carol Harvey as Mandy Uncredited Kirsten Foster as WTC Stapleton Hermione Gulliford as Lucy Sopher
