Sean Depner (Born March 12, 1993) is a Canadian Actor who has starred in a number of TV shows as of the 2010s. He is best known as portraying a main antagonist by the name of Bret Weston Wallis in the later seasons of the CW's TV show Riverdale (2017-present), as well as portraying Viktor, a main character in the TV show Deadly Class (2018-2019). ...