Ron Perlman was 62 in Justice League: The Flashpoint Paradox when he played the character 'Slade Wilson / Deathstroke (voice)'.
That was over 11 years ago in 2013.
Today he is 74, and has starred in 158 movies in total, 49 of those since Justice League: The Flashpoint Paradox was released.
In Justice League: The Flashpoint Paradox, I think Ron Perlman looks: