Lindsey Morgan was 20 in Detention when she played the character 'Alexis Spencer'.
That was over 13 years ago in 2011.
This was her first recorded movie acting credit (although may not technically be her first actual acting role).
Today she is 34, and has starred in 11 movies in total, 10 of those since Detention was released.
In Detention, I think Lindsey Morgan looks: