Question: Lorentz & Sakarias is a hip-hop duo from Stockholm, Sweden, which Swedish actor have they collaborated with?
Related documents: [0]  [DOC] Gustaf Caspar Orm Skarsgård (] ; born 12 November 1980) is a Swedish actor. He is best known outside Scandinavia for his role as Floki in the History Channel series "Vikings" as well as for his roles in the films "Evil" (2003), "The Way Back" (2010) and "Kon-Tiki" (2012). [END] 
[1]  [DOC] Lorentz & Sakarias is a hip-hop duo from Stockholm, Sweden consisting of Lorentz Berger and Sakarias Berger. In their career, they have released two full-length albums. They have collaborated with jj, Duvchi, Newkid and Gustaf Skarsgård. [END] 
Answer: 
Gustaf Caspar Orm Skarsgård
Gustaf Caspar Orm Skarsgård