watch 01:21 The Loop (Movies) Do you like this video? Justin Timberlake performed the voice of King Arthur in Shrek the Third. He voiced him in a deleted scene in Shrek Forever After. He also voiced Branch in Trolls and Trolls 2. Dreamworks Roles External links Justin Timberlake at Wikipedia, the free encyclopedia Retrieved from "https://dreamworks.fandom.com/wiki/Justin_Timberlake?oldid=106958" Categories: Actors Shrek actors Trolls Actors Hero Actors and Actresses Community content is available under CC-BY-SA unless otherwise noted.