Harrison is still living a single life. He is now aged 20 years old but the information about his love life and boyfriend has not been shared in the media. His nationality is Canadian and he is of white ethnicity. His height is five feet and five inches tall.
Harrison began his interest in music since he was a baby boy. At a young age, he began playing piano. Later on he began learning drums. When he was aged 16 years old he began his interest in keytar. At the age of 13, he got enrolled at John Robert Powers School. There he studied acting for about three years. Later on he appeared in school plays and theater shows. In 2010, he made his professional acting debut by starring the role of Darren Walsh in an American comedy film Diary of a Wimpy Kid. That year he also played the role of Alex in a docudrama television series Untold Stories of the E.R.. He is critically acclaimed for starring the role of Bowie in a teen situation comedy series Some Assembly Required. He is also known for being the host and the music composer of a Canadian children's television series Finding Stuff Out. His net worth is unknown.