Sven Bert Jonas Karlsson, more commonly recognised as Jonas Karlsson, is a Swedish actor and writer. Karlsson has been acting for the screen since the `90s, appearing in numerous TV shows, short movies and feature films. Some of his film credits are Making Babies (2001), Storm (2005), Offside (2006) and The Snowman (2017). He has also appeared in the Black Mirror episode "Hated in the Nation" (2016). His 2019 releases include The Perfect Patient, also known as Quick.