Alexander Stephen Hassell (born 7 September 1980) is an English actor. He is co-founder of The Factory Theatre Company. Hassell was born in Southend, England, the youngest of four, to a vicar. He trained at the Central School of Speech and Drama after completing GCSE and A-Level courses at Moulsham High School, in Chelmsford, Essex. He 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. His first Hollywood role was in George Clooney's Suburbicon (2017), and later that year he appeared in his first major television role in the BBC adaptation of Jessie Burton's The Miniaturist, which first aired on Boxing Day. He also appeared as Translucent in the first season of The Boys (2019) on Amazon Prime Video, and played Vicious in Netflix's Cowboy Bebop in 2021.

Filmography

• 2026Wasteman — Paul
• 2025Two Down — John Thomas
• Rivals — Rupert Campbell-Black
• 2024Young Woman and the Sea — Harry Horlick
• Everything Now — Rick
• 2023Locked In — Dr. Robert Lawrence
• 2022Violent Night — Jason
• Cowboy Bebop — Vicious
• 2021The Tragedy of Macbeth — Ross
• His Dark Materials — Metatron
• 2019National Theatre Live: I'm Not Running — Jack Gould
• The Boys — Translucent
• 2019The Isle — Oliver Gosling
• 2019The Red Sea Diving Resort — Max Rose
• The Bisexual — David
• Genius — Manach
• 2017Health, Wealth & Happiness
• 2017Suburbicon — Louis
• 2017The Miniaturist — Johannes Brandt
• The Miniaturist — Johannes Brandt
• 2016Shakespeare Live! From the RSC — Various
• 2015RSC Live: Henry IV Part 1 — Prince Hal
• 2015RSC Live: Henry IV Part 2 — Prince Hal
• 2015RSC Live: Henry V — Henry V
• 2014Miss in Her Teens — The Player
• 2013Big Thunder — Abel White
• Life of Crime — Colin Nash
• Way to Go — Philip
• 2011Anonymous — Spencer
• 2009A Midsummer Night's Dream Live at Middle Temple Hall — Lysander / Francis Flute
• Legend of the Seeker — Eryn
• 2008The Sickhouse — Nick
• Bonkers — Felix Nash
• Torchwood — Mark Lynch
• Hustle — Viscount Manley
• 2003Boudica — Roman Officer
• 2003Cold Mountain — Orderly
• 2003Danielle Cable: Eyewitness — Stephen Cameron
• Death in Holy Orders — Peter Buckhurst
• 2003The Private Life of Samuel Pepys — Balty
• Murder in Mind — Jules
• Murphy's Law — Scott Garvey
• Army of Shadows
• Dog & Bull
• Los Cuentos de Albion (Antología)

Appearances as themselves (2)

• Rivals: The Official Podcast — Self
• TFI Unplugged — Self