Jenna Elfman was 20 in Double Deception when she played the character 'Lisa Majorski (as Jenna Butala)'.
That was over 31 years ago in 1993.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 52, and has starred in 23 movies in total, 22 of those since Double Deception was released.
In Double Deception, I think Jenna Elfman looks: