Calum Sivyer
- Actor
- Additional Crew
Calum Sivyer is a British actor, musician, and cabaret performer based in London. In 2025, he appears as Tallifer in King and Conqueror, a BBC/Paramount+ historical drama starring James Norton and Nikolaj Coster-Waldau. He has also appeared in Harry Potter and the Half-Blood Prince (2009), Unfinished Song (2012), and Jingle Bell Heist. Calum also has extensive experience in immersive theatre, cabaret, and live music performance.
