Carl Martin Gunnar Wallström Milkéwitz (born 7 July 1983) is a Swedish television and film actor. A successful actor in his home country, he is best known internationally for his 2015 American debut role as Tyrell Wellick in the USA Network cyber-thriller Mr. Robot.

Early life and education
Martin Wallström was born on July 7, 1983 in Uddevalla, Sweden. Wallström began his professional acting career as a teenager, and later decided to study acting; he enrolled in the University of Gothenburg's Academy of Music and Drama in 2004, and graduated in 2008.