Recurring
Alice Krige as Aoife Tsigani, a Haruspex (or witch) in the service of Piety Breakspear.
Tracey Wilkinson as Afissa, the faun housekeeper of the Spurnroses.
Ryan Hayes as Constable Thatch, a constable with a strong hatred of the fae.
Waj Ali as Constable Berwick, Philo's timid partner who nevertheless remains loyal to him.
James Beaumont as Constable Cuppins, a constable who finds Philo's interest in the fae unnatural.
Jim High as Fergus, a human servant working for Agreus.
Scott Reid as Quilliam "Quill", a faun footman for the Breakspear family who is unjustly dismissed by the Chancellor and turns to radicalism.
Brian Caspe as Nigel Winetrout, a politician and close advisor to the Breakspear family.
Chloe Pirrie as Dahlia, the ruthless leader of the extremistst faerie organization called the Black Raven.
Anthony Kaye as Bolero, second-in-command of the Black Raven.
Sinead Phelps as Jenila, Sophie Longerbane’s faun lady's maid.
Maeve Dermody as Portia Fyfe, Philo's landlady whose romantic advances he rebuffs.
Leanne Best as Madame Moira, the proprietor of the Tetterby Hotel, a brothel.
Anna Rust as Fleury, a courtesan at the Tetterby Hotel.
Ronan Vibert as Ritter Longerbane, the Leader of the Opposition in parliament and, therefore, Chancellor Breakspear's primary political opponent. A longtime advocate of fae subjugation.
Mark Lewis Jones as Magistrate Flute, Philo’s superior in the Constabulary.
Erika Starkova as Aisling Querelle, Philo's mother and a once-famous singer.
Theo Barklem-Biggs as Cabal, a faun malcontent seeking to bring his brethren together.
Fraser James as Erasmus Fletcher, a politician and advisor to the Longerbane family.
Eve Ponsonby as Phaedra, a vigilante and member of the Black Raven.
Stewart Scudamore as Boz Ghaidos, a well-connected cattle-horned faun who manages an underground fighting ring.
Andrew Buchan as Mikulas Vir, a major in the Pact army who travels to The Burgue to secure a weapons deal with a secret of his own.
Karel Dobrý as Ambassador Anrep, the ambassador for The Pact to The Burgue.
Jacqueline Boatswain as Mima Blodwen, a "Mima" or spiritual leader, who guides Tourmaline.
George Georgiou as Kastor, a high-ranking member of the New Dawn in charge of overseeing Agreus and Imogen.
