S1, E6: After Ripper gives Alfred the name of a mad genius able to help him solve Esme’s murder, he sets out to visit an asylum and talk to the inmate – Baroness Ortsey (guest star FELICITY KENDAL). Meanwhile, Thomas arrives at Martha’s and asks her to look after his high-life, wild sister Patricia (guest star SALÓME GUNNARSDÓTTIR) while he arranges her return to Gotham. Although they have little in common, Patricia convinces Martha to attend a debauched party at the lavish mansion of celebrity magician Aleister Crowley (guest star JONJO O’NEILL) who charms Martha and confides in her that he’s actually the Devil.