Joseph Gatt is a British actor and model known for his striking, bald appearance, muscular build, and intense screen presence. Born in London, England, he has appeared in numerous film and television roles that often emphasize his imposing and enigmatic persona. Gatt is best recognized for his performances in Thor (as Frost Giant Grundroth), HBO’s Game of Thrones (as Thenn Warg), Star Trek Into Darkness, and Dumbo. Before his acting career took off, he worked as a model and trained at the prestigious Mountview Academy of Theatre Arts in London. His background in physical performance and fitness has also contributed to his frequent casting in action and fantasy genres.