Found this! try check Jamie Bower as Caius in Breaking Dawn part 1 End scenes.
Jamie Bower revealed how he think about his role in Twilight movie which he play as Caius.
“In the last film, New Moon, there’s a scene where we rip this guy apart,” he said with a little too much enthusiasm.
“It was gross and grim, and my character just sat there smiling and enjoying it. When I got the script, I knew that was the one I wanted the most.”
2 few page scans from Time magazine November 2009 issue. have show Jamie as Caius