Titanic: Blood and Steel Under Lock and Key (Season 1, Episode 5)
TV-14
TV Episode | 54 min | Drama

Titanic: Blood and Steel

Under Lock and Key (Season 1, Episode 5)

TV-14

TV Episode | 54 min | Drama

After Doyle exposes Mark's past, Mark sets out on a secret quest. When a collision sends the RMS Olympic back to the shipyard, Mark must study the implications of the wreck from the view of the Titanic's metallurgy.

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Cast	+ Add Cast
33 cast members

Name	Known for
Kevin Zegers Mark Muir Mark Muir See fewer	Transamerica (2005)
Alessandra Mastronardi Sofia Silvestri Sofia Silvestri See fewer	To Rome with Love (2012)
Derek Jacobi Lord Pirrie Lord Pirrie See fewer	Gosford Park (2001)
Billy Carter Thomas Andrews Thomas Andrews See fewer	The Crowded Room (2023)
Massimo Ghini Pietro Silvestri Pietro Silvestri See fewer	Senza pelle (1994)
Branwell Donaghey Michael McCann Michael McCann See fewer	Prometheus (I) (2012)
Martin McCann Conor McCann Conor McCann See fewer	The Survivalist (2015)
Ophelia Lovibond Kitty Carlton Kitty Carlton See fewer	Guardians of the Galaxy (2014)
Gray O'Brien Bruce Ismay Bruce Ismay See fewer	Coronation Street (1960)
Ian McElhinney Sir Henry Carlton Sir Henry Carlton See fewer	Hamlet (1996)
Valentina Corti Violetta Silvestri Violetta Silvestri See fewer	Magari resto (2020)
Denise Gough Emily Hill Emily Hill See fewer	The Witcher 3: Wild Hunt (2015)
Jonathan Forbes Eddy Hatton Eddy Hatton See fewer	Fearless (I) (2017)
Edoardo Leo Andrea Valle Andrea Valle See fewer	18 Years Later (2010)
Frank McCusker Charles Stokes Charles Stokes See fewer	Hunger (2008)
Gerard McCarthy Ashley Stokes Ashley Stokes See fewer	Just Johnny (2021)
Liam Carney Sean Malone Sean Malone See fewer	Braveheart (1995)
Barry McEvoy Chorley Chorley See fewer	Pirates of the Caribbean: Dead Man's Chest (2006)
Ger Carey Bernie Doyle Bernie Doyle See fewer	Spoon (III) (2010)
Terence Keeley Jack Lowry Jack Lowry See fewer	'71 (2014)
Caolan Byrne Jimmy Smith Jimmy Smith See fewer	The Miniaturist (2017)
Steve Gunn Bill Armstrong Bill Armstrong See fewer	The Last Rifleman (2023)
Gonzalo Ramos Photographer Photographer See fewer	Reflejo (2023)
Tommy O'Neill Lorcan Lorcan See fewer	Titanic: Blood and Steel (2012)
Will Irvine O'Farrell O'Farrell See fewer	Dune: Part Two (2024)
James Flynn John Gordon John Gordon See fewer	Magpie Murders (2022)
Gavin O'Connor Billy Wilson Billy Wilson See fewer	The Hunt for Raoul Moat (2023)
Steve Blount McQueen McQueen See fewer	Game of Thrones (2011)
Gina Moxley Mother Superior Mother Superior See fewer	Game of Thrones (2011)
Pat McGrath Kelly's Landlord Kelly's Landlord See fewer	Ella Enchanted (2004)
Eve Macklin Lord Pirrie's Secretary Lord Pirrie's Secretary See fewer	Brooklyn (2015)
Stuart Porteous Raphael Garzon (uncredited) Raphael Garzon (uncredited) See fewer	North Circular Road (2015)
Emanuela Postacchini Sahra (uncredited) Sahra (uncredited) See fewer	Who Is America? (2018)