Answer
Ulysses Klaue, the notorious arms dealer, was portrayed by Andy Serkis in the Marvel Cinematic Universe film Black Panther. Serkis brought his signature motion capture expertise to the role, creating a complex and menacing character with a distinct physicality and voice. Klaue's presence in the film adds depth to the conflict, as he represents the external forces that threaten Wakanda's isolation and technological advancements.