Seth Isaac Johnson is a Film, Television and Voice actor. He is best known for his dramatic series regular role as Denny Larsen in "The Killing" and most recently as Hansel in ABC's "Once Upon A Time" and possessed teen Shawn Raider in "Supernatural". He also demonstrates his penchant for great comedy as Danny in Nickelodeon's "Splitting Adam - and Langley in Disney's "Mech x-4". Seth is fluent in English and French, and is an avid sailor, swimmer and snowboarder.