Question: Lorentz & Sakarias is a hip-hop duo from Stockholm, Sweden, which Swedish actor have they collaborated with?
Context: Sverrir Gudnason (in Icelandic "Sverrir Páll Guðnason"), born 12 September 1978 in Lund, Sweden, is a Swedish actor of Icelandic origin.  He starred in the 2007 television series How Soon Is Now.  Gudnason was born in Sweden, but brought up in Reykjavík, Iceland.  He moved with his family to Tyresö, Sweden in 1990 when his father found work as a professor at the Royal Institute of Technology.  At the 2009 Shanghai International Film Festival he received the award for best male actor for his role in the Swedish/Danish film "Original".  He has since played the role of Pontus Höijer in the second series of "Wallander" as well as leading roles in productions at both Gothenburg's and Stockholm's city theatres. Tomas Robert Olof Bolme (born 21 April 1945 in Högalid, Stockholm) is a Swedish actor.  He is famous for being the Swedish voice of Tintin, and he is also the voice of the anime hero Cobra.  He studied at Teaterhögskolan in Stockholm during the years 1966 to 1969.  Bolme has performed at Fria Proteatern, Royal Dramatic Theatre, Stockholm City Theatre and Riksteatern.  He has also recorded several audiobooks and one of them is Jan Guillou's "Coq Rouge". Kärlekslåtar is the solodebut studio album by the Swedish recording artist Lorentz.  After two albums released with his younger brother, Sakarias Berger as the previously Grammis-awarded duo Lorentz & Sakarias, he debuted as a solo artist in 2014.  The title "Kärlekslåtar" is Swedish for "Love songs", the songs are written in Swedish, including some few terms and expressions in English.  He got a Grammis award "Best HipHop/Soul of The Year", for his work of the album. Smilez & Southstar was a hip-hop duo based in Orlando, Florida.  The group was made up of Rodney "Smilez" Bailey and Rob "Southstar" Campman.  They were managed by Alfonso J Alvarez and Gilbert Alvarez of StreetDwellaz Management and signed to Ted Field's ARTISTdirect Records (aka ADR).  Ted Field, co-founder of Intersope Records, had recently left Interscope Records when he signed a preliminary agreement to become Chairman and CEO of ARTISTdirect. ARTISTdirect Records was a co-venture between ARTISTdirect, Inc., Ted Field, and BMG.  Smilez & Southstar were the first hip-hop duo out of Orlando, FL to appear on nationally televised shows such as Late Night with Conan O'brien and Jimmy Kimmel Live! .  Their Top 40 hit "Tell Me" was produced by DJ Nasty & LVM of Nastybeatmakerz and Dakari of Just Anotha Smash. 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). Lorentz Johannes Alexander Berger, (born 28 July 1991), who uses his given name Lorentz as a stage name, is a rap artist from Stockholm, Sweden, rapping in Swedish. Sabina Ddumba, (born 23 February 1994) is a Swedish singer.  Ddumba grew up in Fisksätra, Nacka.  Her music has soul, gospel, and R&B influences.  Ddumba was a backing vocalist on Katy Perry's song "Walking on Air" and has collaborated with artists such as the hip hop band Looptroop Rockers, duo Lorentz & Sakarias and Adam Kanyama.  She is signed to Warner Music.  Ddumba released her first single, "Scarred for Life", in 2014, and her second single, "Effortless" in 2015.  Both were certified platinum.  Ddumba appeared in Moraeus med mera in 2014 and performed at Grammisgalan in 2015.  She performed at the 2015 Swedish Grammis, and recently won 'Newcomer of the Year' at the 2016 P3 Gold Awards. 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. Sven Thomas Hanzon (born 20 June 1962) is a Swedish actor and stage actor at the Royal Dramatic Theatre in Stockholm and former footballer.  He was born in 1962 in Stockholm, Sweden.  He worked with Ingemar Bergman in both movies and on stage.  He has two children with Swedish actress Lena Endre and is now engaged to Åsa Hultman and living in Stockholm. Carl Jonas Love Malmsjö (born September 2, 1971) is a Swedish actor who has worked in theatre, TV and radio; he is the son of Swedish actor Jan Malmsjö and the Swedish actress Marie Göranzon.  Apart from his work in his native Sweden, which has included a starring role in the TV series "Labyrint", he has been in several productions directed by Ingmar Bergman at the Brooklyn Academy of Music.  He was also cast as Skorpa of the White Horse, a Viking warlord in the second half of "The Last Kingdom", a BBC adaptation of the first two books in Bernard Cornwell's "The Saxon Stories" series of historical novels.
Answer: Gustaf Caspar Orm Skarsgård