Christopher Lloyd was 44 in Star Trek III: The Search for Spock when he played the character 'Cmdr. Kruge'.
That was over 40 years ago in 1984.
Today he is 85, and has starred in 166 movies in total, 141 of those since Star Trek III: The Search for Spock was released.
In Star Trek III: The Search for Spock, I think Christopher Lloyd looks: