Catherine McCormack was 42 in Sherlock: The Abominable Bride when she played the character 'Lady Carmichael'.
That was over 8 years ago in 2016.
Today she is 52, and has starred in 31 movies in total, 4 of those since Sherlock: The Abominable Bride was released.
In Sherlock: The Abominable Bride, I think Catherine McCormack looks: