Guest Stars Evelyn Hoskins as Shona Wark Wendy Nottingham as Pauline Doubleday Mark Frost as Saul Doubleday Lorraine Stanley as Izzy McQueen Bridget Turner as Barbara Clark Michael Beint as Oswin Clark Alastair Natkiel as David Polson Harvey Allpress as Fin McQueen Lauren Hampton as Steph Doubleday Olivia O'Mahony as Ginny Doubleday