Kevin Kline
Michael Meyers plays the lead role of Austin Powers.
Michael Chiklis
Simon pegg
Sam worthington
The Protagonist is the main Character. It originally meant the lead actor, but since the lead actor usually plays the main character, it has come to mean the character instead.
Tom Cruise
Harrison Ford .
Alison Lohman plays the lead character, Christine Brown.
Jamie Lynn Spears plays the lead character Zoey Brooks.
Zac Efron plays the lead character of Mike O'Donnell as a teenager, and Matthew Perry plays him as an adult.
Robert Pattinson plays Edward Cullen and Kristen Stewart plays Bella Swan and there is James, I do not know who plays him though James was played by Cam Gigandet.
Charlize Theron plays the lead lady in the film Hancock. Her character's name is Mary Embrey.