Marvin Campbell (full name Marvin Stewart-Campbell) – British actor and stunt performer, with no publicly recorded birthplace or birthday. He has built a long career primarily as a stuntman and fight choreographer on major action films, while also taking small on-screen roles.

His most notable acting credits include Private Mailer in 28 Days Later (2002), a Drug Dealer in Rollin' with the Nines (2006), Stunt Neighbour in Harry Brown (2009), Security Guard Marv in The Gentlemen (2019), and Tour Coach Driver in Pistol (2022). As a stunt performer he has worked on Casino Royale (2006), Inception (2010), Kingsman: The Secret Service (2014), Spectre (2015), Justice League (2017), Jurassic World: Fallen Kingdom (2018), Venom: Let There Be Carnage (2021), Cruella (2021), Wicked (2024), and Mission: Impossible – The Final Reckoning (2025), among many others. He has also served as stunt co-ordinator and fight choreographer on projects including World on Fire (2019–2023) and Liaison (2023).