David Charles Prowse (1 July 1935 – 28 November 2020) was an English actor, bodybuilder, strongman and weightlifter. He portrayed Darth Vader in the original Star Wars trilogy and a manservant in Stanley Kubrick's 1971 film A Clockwork Orange. In 2015, he starred in two documentaries concerning his Darth Vader role, one titled The Force's Mouth, which included Prowse voicing Darth Vader's lines with studio effects applied for the first time, and the other titled I Am Your Father, covering the subject of the fallout between Prowse and Lucasfilm.

Prior to his role as Vader, Prowse had established himself as a super-hero figure in the United Kingdom as the Green Cross Man in Green Cross Code media aimed at teaching children and young people road safety.