Guest Stars Pui Fan Lee as Su Ping Lim Brett Curtis as George Domenique Fragale as Beth Cassini Ruth Sheen as Mrs Beechum Matt Emery as Detective Birch Claudia Black as Stripe Frances Tomelty voices Phoenicia Elizabeth Hague George Russo as Simon Freddie Annobil-Dodoo as Jasper Emma Tracey as Bessie Paul Thornley as New Superintendent Grace Binford Sheene as Fox Ears Anna Mawn as Nancy Victoria Howell as Nancy's Mother Sam Bond as Second Doctor Robert Morgan as Esteemed Doctor Robert Goodman as Nightwatcher Pik Sen Lim as Madame Tam Jon Monie as Third Doctor Callum Sheridan-Lee as Soldier Anna Fenton-Garvey as New Maid Jack Harrison as Soldier