Guest Stars Diana Kent as Eleanor Widener Ralph Ineson as Steward Hart Miles Richardson as John Jacob Astor IV Angéla Eke as Madeleine Astor Cian Barry as Fourth Officer Boxhall Olivia Darnley as Bessie Allison Larina Mészáros as Loraine Allison Péter Kõszegi as George Widener Lloyd Hutchinson as Chief Steward Lattimer Simon Paisley Day as Sir Cosmo Duff-Gordon Ifan Meredith as Fifth Officer Lowe Georgia McCutcheon as Theresa Maloney Jonathan Howard as Sixth Officer James Moody Shane Attwooll as Billy Blake Ben Bishop as Stoker Lyons Matt Devere as Boilerman Tom Andrews as Seaman Hawkins Gráinne Keenan as Laura Francatelli John Kazek as Steward Turnbull Mike Kelly as Seaman Royce Alexis Latham as Man in Corridor Istvan Koncz as Gatti's Waiter Attila Bardóczy as Gatti's Waiter Iain McKee as Seaman Scott Colm Gormley as Winston Churchill Szabolcs Thuróczy as Priest Jamie MacPhee as Scots Guards Officer
