Mathieu Bourassa (born 11 April 1988; age 37) is an actor who played Decius in the Star Trek: Strange New Worlds first season episode "A Quality of Mercy".
Since 2009, Bourassa gained about two dozen screen acting credits, mostly on television. He can be seen in supporting guest roles in episodes of series like Reign (starring Adelaide Kane), Designated Survivor (with Terry Serpico, Jake Epstein, and Sophia Walker), Murdoch Mysteries, Taken (with Ayesha Mansur Gonsalves and Adam Maros), Frankie Drake Mysteries (with Grace Lynn Kung), and Mayday.
He also appeared in the Canadian films The Still and Beating Heart (2010), Angels Crest (2011, starring Thomas Dekker), The Night of the Great Chinese Lottery (2013), Adventures of a Pizza Guy (2015, with Avaah Blackwell), and Thousand Yard Stare (2018).