Guest Stars Rik Young as Alistair Throckmorton Jethro Skinner as Clive Patrick Scott Jeffries as Dr Thurber Estrid Barton as Lady Throckhorton Elisa Doughty as Henrietta Throckmorton Momo Yeung as Miss Krait Sam Woolf as Vincent Carruthers Tom Hudson as Young Sir Harold Anthony J. Abraham as Artie Badawi Adam Scott as Rami Ahlaoui Nahid Mahoud as Hatshepsut Berthe Tanwo Nijole as Will's Mum (Florence) Nicolas Duterte as Cellist Thierry Lopez as Aapep Daphne Huynh as Thief Visitor Charles Crehance as Young Augustin Seurel Brook Waters as Man with Flyer Violette De Gyns as Penny Arcade Customer Gerald Morales as Augustin Seurel Lilou Guermeur as Young Lady Concorde Holy Fatma as Safiyas Mum Olivier Beriot as Rodin Garderner Salim Kissari as Overseer Charlie Cattrall as Yaret Chief Serpent Swan L'Haoua as Safiya's Dad Chris Brooker as Oracle Olivia Barrowclough as Nigella Jan Debski as Rent Collector (Charlie) Trine Thielen as Flautist Natasha Cashman as Old Theodosia Carlos Vaquera as Neville Devenham Serge Hazanavicius as Mysterious Man