Marina Sirtis was 42 in Star Trek: Insurrection when she played the character 'Counselor Deanna Troi'.
That was over 25 years ago in 1998.
Today she is 69, and has starred in 59 movies in total, 35 of those since Star Trek: Insurrection was released.
In Star Trek: Insurrection, I think Marina Sirtis looks: