Guest Stars Ralph Ineson as Steward Hart Diana Kent as Eleanor Widener Miles Richardson as John Jacob Astor IV Simon Paisley Day as Sir Cosmo Duff-Gordon Olivia Darnley as Bessie Allison Cian Barry as Fourth Officer Boxhall Larina Mészáros as Loraine Allison Lloyd Hutchinson as Chief Steward Lattimer Ifan Meredith as Fifth Officer Lowe Péter Kõszegi as George Widener Georgia McCutcheon as Theresa Maloney Angéla Eke as Madeleine Astor Shane Attwooll as Billy Blake Matt Devere as Boilerman Ben Bishop as Stoker Lyons Joseph May as Giglio Sally Bankes as Mrs. Gibson John Kazek as Steward Turnbull Will Keen as Chief Officer Wilde Beatrice Zentai as Woman 1 at Purser's Mike Kelly as Seaman Royce Alexis Latham as Man in Corridor Iain McKee as Seaman Scott Eszter Zakariás as Woman 2 at Purser's Richard Sutton as Second Officer Blair
