While studying he became interested in acting and was discovered when performing in a school play.His talent for comedic acting made him known for the public when he debuted with Pengar - en tragikomisk saga (1947), which he directed himself. He is today best remembered for his character Fabian Bom, always perfectionist until he falls in love. Similar is also his character Sten Stensson, an academic upholding a high moral standard. In Ingmar Bergman's Det sjunde inseglet (1957) he also played drama, in the role as Jof the jester. After retiring from the movies he returned to the stage playing light comedy until the age of 85.