Marcel Jeannin (born December 1968, Canada) is a Canadian actor and voice actor based in Montreal, Quebec, fluent in French. He began his career with the Stratford Festival in 1991. In film, he has appeared in Affliction (1997), Wicker Park (2004), 300 (2006), Long Shot (2019), and Charlie Tango (2024). On television he had a lead role on Snakes and Ladders (2004) and appeared in Three Pines (2022) and Tokyo Vice (2022). In voice work, he is known as Douglas Shetland in the Splinter Cell series, Mark Thruss in Watch Dogs 2 (2016), and voices in the Assassin's Creed series. He has also done motion capture work on Watch Dogs (2014) and The Adventures of Tintin: The Secret of the Unicorn (2011).