Dan Aykroyd was 35 in My Stepmother Is an Alien when he played the character 'Steven Mills'.
That was over 35 years ago in 1988.
Today he is 71, and has starred in 130 movies in total, 98 of those since My Stepmother Is an Alien was released.
In My Stepmother Is an Alien, I think Dan Aykroyd looks: