Hopper has starred in the films Saxon, Tormented, Cold, Northmen: A Viking Saga, and Kill Ratio. He has also appeared in episodes of the TV series Casualty, Kingdom, Doctors, Doctor Who, Good Cop, and Barbarians Rising. He graduated with honors from Rose Bruford College where he studied acting. Hopper has starred in stage productions of The Tempest, Festen, The Way of the World, and As You Like It. In 2006 he was voted Expert Choice by The Stage at the Rose Bruford Acting Showcase.