Kelsey Grammer was 58 in X-Men: Days of Future Past when he played the character 'Hank McCoy / Beast (older)'.
That was over 10 years ago in 2014.
Today he is 69, and has starred in 78 movies in total, 28 of those since X-Men: Days of Future Past was released.
In X-Men: Days of Future Past, I think Kelsey Grammer looks: