That was over 5 years ago in 2016.
Today he is 31, and has starred in 13 movies in total, 1 since Lion was released.
In Lion, I think Dev Patel looks:
Lion scores 8.1 out of 10 on The Movie Database.
Dev Patel's first acting role was as 'Jamal Malik' in Slumdog Millionaire, released in 2008 when he was 18.