Harrison Ford appeared in Star Wars when he was 34. It was Star Wars that made Harrison Ford famous globally
Carrie Frances Fisher (born October 21, 1956) is best known for her portrayal of Princess Leia in the original Star Wars trilogy. The huge success of Star Wars made her internationally famous and the character of Princess Leia became a merchandising triumph; small plastic action figures of the Princess were in toy stores throughout the Western world.
Kenneth George "Kenny" Baker is well-known for portraying the character R2-D2 in the popular science-fiction movie franchise Star Wars. Baker, who stands 3 ft 8 in (112 cm) tall, was born and educated in Birmingham, West Midlands, and at boarding school in Kent. His parents were of average height. George Lucas hired him to be the man inside R2-D2 in Star Wars in 1976
Peter Mayhew, a British-American actor, is best known for playing Chewbacca in the Star Wars films. When casting his first Star Wars film, producer George Lucas needed a tall actor who could fit the role of the hairy alien Chewbacca. He originally had in mind 6-foot-6-inch (1.98 m) bodybuilder David Prowse, but instead Prowse chose to play Darth Vader. This led Lucas on a search which turned up Mayhew, who says that all he had to do to be cast in the role of Chewbacca was stand up
Anthony Daniels portrayed the robot C-3PO. Daniels has played C-3PO in all seven of the Star Wars feature films from the original installment in the series, as both the body and voice of the golden robot. In Star Wars Episode I: The Phantom Menace, he wore a blue Spandex costume so that during editing of the movie his body could be turned into many different wires and circuits.
Mark Richard Hamill played the role of Luke Skywalker in the original Star Wars trilogy - Star Wars (1977), The Empire Strikes Back (1980), and Return of the Jedi (1983) - a role he reprised in Star Wars: The Force Awakens (2015). Released in May 1977, Star Wars was an enormous unexpected success and made a huge impact on the film industry.