Guest Stars Ralph Ineson as Steward Hart Diana Kent as Eleanor Widener Miles Richardson as John Jacob Astor IV Larina Mészáros as Loraine Allison Péter Kõszegi as George Widener Angéla Eke as Madeleine Astor Cian Barry as Fourth Officer Boxhall Olivia Darnley as Bessie Allison 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 Tom Andrews as Seaman Hawkins Gráinne Keenan as Laura Francatelli Ben Bishop as Stoker Lyons Sally Bankes as Mrs. Gibson Jonathan Howard as Sixth Officer James Moody Joseph May as Giglio Sophie Rundle as Roberta Maioni Will Keen as Chief Officer Wilde Ryan Hawley as Jack Thayer Christine Kavanagh as Marian Thayer Pandora Colin as Countess of Rothes Laurie Hagen as Emma Sagesser Joséphine De La Baume as Madame Aubart Thomas Aldridge as Steward Taylor Istvan Koncz as Gatti's Waiter Attila Bardóczy as Gatti's Waiter Luke Norris as Seaman Holmes Richard Southgate as Youth with Jack Lili Horvath as Woman 1 in Lifeboat Margaréta Szabó as Woman 2 in Lifeboat Dave Legeno as Seaman Davis
