Marina Sirtis was 21 in The Thief of Bagdad when she played the character 'Harem Girl (uncredited)'.
That was over 46 years ago in 1978.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 69, and has starred in 59 movies in total, 54 of those since The Thief of Bagdad was released.
In The Thief of Bagdad, I think Marina Sirtis looks: