He started his career in voice acting in 2012 with Bee Wars which is about honeybees attempting to defend themselves from an invasion of evil killer bees.
He quickly landed similar voice acting gigs in Zak Storm where he voiced the title character, Tome: Terrain of Magical Expertise, and the English dub of Teiruzu obu zesutiria where he provided the English translation for the character Mikleo.
Johnson's recent on screen guest roles include the MTV show Awkward and Pure Genius as well as a voice role on the Dreamworks animated show Home: Adventures with Tip & Oh.
You'll also hear his voice in several video games including Dust: An Elysian Tail, Teiruzu obu zesutiria, Valkyria: Azure Revolution, and Kingdom Hearts HD 2.8 Final Chapter Prologue
His film debut came in 2016 in the movie Slash.