Jason Isaacs is an English actor. He is best known for his portrayal of D.J. in Event Horizon (1997), Ronald Quincy in Armageddon (1998), Colonel William Tavington in The Patriot (2000), Michael D. Steele in Black Hawk Down (2001), Lucius Malfoy in the Harry Potter film series (2002–2011), Captain Hook in Peter Pan (2003), Captain Waggoner in Fury (2014), Georgy Zhukov in The Death of Stalin (2017), Jay Perry in Mass (2021), John Godfrey in Operation Mincemeat (2021), and Timothy Ratliff in The White Lotus (2025).