Guest Stars Ted Levine as Chief Thomas Byrnes Martin McCreadie as Captain Doyle Brittany Marie Batchelder as Joanna Crawford Emily Barber as Violet Hayward Georgia Lowe as Milly Matt Letscher as William Randolph Hearst Michael McElhatton as Dr. Markoe Heather Goldenhersh as Matron Diego Martín as Narciso Linares Bruna Cusí as Isabella Linares Frederick Schmidt as Goo Goo Knox Demetri Goritsas as Bernie Peterson Oliver Maltman as Sterling Hessler Co Starring Dominic Herman-Day as Stevie Taggert Peter Coonan as Ding Dong Elena Delia as Helen Maurice Byrne as Monckton Laurent Winkler as Waiter Philip Shaun McGuinness as Fat Jack Julia Brown as Abigail Mercè Rovira as Eva Stephanie Andrews as Woman #2 Charlotte Hamblin as Maude McGill Ryan Ellsworth as Richard Osgood Shane Attwooll as Gorgeous George Robert Jackson as Hearst Associate Liam Gaffney as Duster #1 Nur Al Levi as Linares Governess Samuel Gomes da Silva as Duster #2 Jenny Fitzpatrick as Linares Serving Woman Kandy Rohmann as Linares Cook David Chrisman as Linares Butler Savannah Ayoade-Greaves as Linares Serving Girl Áron Forrai as Siegel Cooper Employee