Sebastian Ylvenius (born 1977) is a Swedish actor and screenwriter (2010 film Res dej inte! together with Erik Bolin and Richard Jarnhed). After studying at Gothenburg Theatre Academy 1999âÂÂ2003 Ylvenius has worked at among Stockholm City Theatre and Bohuslänsteater.
In 2007, he appeared in a production of The Seagull in Vaxholm.