Shia LaBeouf was 20 in Indiana Jones and the Kingdom of the Crystal Skull when he played the character 'Mutt Williams'.
That was over 16 years ago in 2008.
Today he is 37, and has starred in 51 movies in total, 31 of those since Indiana Jones and the Kingdom of the Crystal Skull was released.
In Indiana Jones and the Kingdom of the Crystal Skull, I think Shia LaBeouf looks: