James Earl Jones was 73 in Star Wars: Episode III - Revenge of the Sith when he played the character 'Darth Vader (voice - uncredited)'.
That was over 19 years ago in 2005.
Today he is 93, and has starred in 178 movies in total, 36 of those since Star Wars: Episode III - Revenge of the Sith was released.
In Star Wars: Episode III - Revenge of the Sith, I think James Earl Jones looks: