Alexander Stephen Hassell (born 7 September 1980) is an English actor, and co-founder of The Factory Theatre Company. On television, he is known for his roles in the ITV series Bonkers (2007), the BBC series The Miniaturist (2017), the Netflix series Cowboy Bebop (2021), the HBO series His Dark Materials (2022) and the Disney+ series Rivals (2024). His films include Suburbicon (2017) and Locked In (2023).
Early life and education Alexander Stephen Hassell was born on September 7, 1980, in Southend, England, the youngest of four, to a vicar.
After completing his education at Moulsham High School, in Chelmsford, Essex, he studied acting for a further two and a half years at the Central School of Speech and Drama.
Career Hassel has appeared in a number of stage roles, most recently as Hal in Henry IV Parts I and II, and Henry in Henry V, for the Royal Shakespeare Company. He is co-founder of The Factory Theatre Company whose patrons include Ewan McGregor, Bill Nighy, Mark Rylance, and Emma Thompson.
His debut television appearance was in 2001, in an episode of Queen of Swords. His first Hollywood role was in George Clooney's Suburbicon (2017), in a cast which included Matt Damon and Julianne Moore. and later that year he appeared in his first major television role in the BBC adaptation of Jessie Burton's The Miniaturist, alongside Anya Taylor-Joy, which first aired on Boxing Day 2017.
Hassell appeared as Translucent in the first season of The Boys (2019) on Amazon Prime Video, Vicious in Netflix's Cowboy Bebop in 2021, and Metatron in the final season of the BBC/HBO fantasy series His Dark Materials.
He has a leading role in the 2024 Disney+ TV adaptation of the 1986 novel Rivals, playing playboy Rupert Campbell Black, alongside a cast that included David Tennant, Danny Dyer, Aidan Turner, Emily Atack, and Katherine Parkinson.
Personal life
Hassell married fellow actor Emma King in January 2011. The two met during their acting training at the Central School of Speech and Drama.
Filmography +Key Denotes projects that have not yet been released Film + Year Title Role Notes 2003 Cold Mountain Orderly 2008 The Sickhouse Nick 2011 Anonymous Spencer 2012 The Grind Drug Dealer 2014 Miss in Her Teens The Player 2015 Two Down John Thomas 2017 Suburbicon Louis 2018 The Isle Oliver Gosling 2019 The Red Sea Diving Resort Max Rose 2021 The Tragedy of Macbeth Ross 2022 Violent Night Jason Lightstone 2023 Locked In Doctor Robert Lawrence 2024 Young Woman and the Sea Harry Horlick 2026 Wasteman Paul
Television Year Title Role Notes 2001 Queen of Swords Andreo Rey Episode: "The Pretender" 2003 Murder in Mind Jules Episode: "Contract" Danielle Cable: Eyewitness Stephen Cameron Television film Death in Holy Orders Peter Buckhurst 2 episodes Warrior Queen Roman Officer Television film The Private Life of Samuel Pepys Balty 2005 Kenneth Tynan: In Praise of Hardcore Mike Murphy's Law Scott Garvey Episode: "Extra Mile" 2006 Robin Hood 2nd Sheriff's Man 2 episodes Torchwood Mark Lynch Episode: "Combat" 2007 Bonkers Felix Nash 6 episodes 2008 Love Soup Jake Randall Episode: "Green Widow" The Bill Marcus Kendall Episode: "After the Fall" 2009 A Midsummer Night's Dream Lysander / Flute Television film Legend of the Seeker Eryn Episode: "Fever" Miranda Edmund Dettori Episode: "Excuse" 2011 Hustle Viscount Manley Episode: "Silent Witness" 2013 Jo Piet Nykvist Episode: "Place de la Concorde" Way to Go Philip Episode: "Dead End" Life of Crime Colin Nash 2 episodes Big Thunder Abel White Television film 2014 Silent Witness Simon Turner 2 episodes 2017 The Miniaturist Johannes Brandt 3 episodes 2018 Genius Manach 2 episodes The Bisexual David Episode #1.5 2019 Grantchester Ernest Carter Episode #4.4 The Boys Translucent 3 episodes 2021 Cowboy Bebop Vicious 10 episodes 2022 His Dark Materials Metatron Main role 2023 Everything Now Rick Main role 2024–present Rivals Rupert Campbell-Black Lead role Army of Shadows Upcoming series
Audiobooks In 2025, Hassell was revealed as Lucius Malfoy in Audible's full-cast audio adaptations of the Harry Potter books.
Year Title Role Notes2025Harry Potter And The Philosopher's StoneLucius MalfoyHarry Potter And The Chamber Of Secrets2026Harry Potter And The Prisoner Of AzkabanHarry Potter And The Goblet Of FireHarry Potter And The Order Of The PhoenixHarry Potter And The Half-Blood PrinceHarry Potter And The Deathly Hallows
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