Eloise Little plays Theodosia, Frankie Minchella stars as Henry, Nana Agyeman-Bediako plays Will, while Yasmina El-Abd plays Safiya. Other cast members included in the action-adventure series are Rik Young as Alistair Throckmorton, Elisa Doughty as Henrietta Throckmorton, Momo Young as Miss Krait, Anthony J. Abraham as Artie, Charlie Cattrall as Yaret the Chief Serpent, Olivia Barrowclough as Nigella, Nahid Leader as Queen Hatshepsut, Trine Thieten as the Flautist, Barbara Hellemans as Living Mummy, Berthe Tanwo Njole as Florence, Manzul Tavrus as Aapep, Salim Kissari as Overseer, Swan L’Haoua as Safiya’s dad and Axel Baile as Serpent.