Ewan McGregor was 30 in Star Wars: Episode II - Attack of the Clones when he played the character 'Obi-Wan Kenobi'.
That was over 22 years ago in 2002.
Today he is 53, and has starred in 109 movies in total, 76 of those since Star Wars: Episode II - Attack of the Clones was released.
In Star Wars: Episode II - Attack of the Clones, I think Ewan McGregor looks: