Colin O'Donoghue was 21 in Call Girl when he played the character 'Brendan'.
That was over 21 years ago in 2003.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 43, and has starred in 11 movies in total, 10 of those since Call Girl was released.
In Call Girl, I think Colin O'Donoghue looks: