Guest Stars Pooky Quesnel as Louise Wilson Leon Harrop as Ralph Wilson Adam Wittek as David Nowak Tommie Grabiec as Pavel Kaminski Daniel Cerqueira as Dr. Graves George Bukhari as Terry Norris Michelle Tate as Linda Mina Anwar as Dr. Waite Verity Henry as Sea Lily Catherine Kinsella as Martha Joanna Bond as Jane Merrick Siri Ellis as Dr. Eshell Denice Hope as Receptionist