Mark Strong is a British actor best known for his film roles such as Prince Septimus in Stardust (2007), Archibald in RocknRolla (2008), Lord Henry Blackwood in Sherlock Holmes (2009), Frank D'Amico in Kick-Ass (2010), Jim Prideaux in Tinker Tailor Soldier Spy (2011), Sinestro in Green Lantern (2011), George in Zero Dark Thirty (2012), Major General Stewart Menzies in The Imitation Game (2014), Merlin in Kingsman: The Secret Service (2014) and Kingsman: The Golden Circle (2017), Dr. Thaddeus Sivana in Shazam! (2019) and Shazam! Fury of the Gods (2023), and John in Cruella (2021).

Kick-Ass is a 2010 black comedy superhero film directed by Matthew Vaughn from a screenplay by Jane Goldman and Vaughn. It is based on the Marvel Comics' comic book of the same name by Mark Millar and John Romita Jr.