Espen Klouman Høiner (born August 31, 1981) is a Norwegian actor, playwright, and director, known for his work across film, television, and theatre. He made his film debut in *Buddy* and has since appeared in films including Reprise, Switch, Upperdog, A One-Way Trip to the Heart, The Horseman, and Disco. He also played a major role in the television series The Heavy Water War. Alongside his screen work, Høiner has had a successful theatre career, performing in productions such as Peer Gynt, Hamlet, and A Doll's House. He has won several major Norwegian theatre awards, including multiple Hedda Awards and the Kanon Award for Best Actor.