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