That was over 12 years ago in 2010.
Today he is 41, and has starred in 45 movies in total, 29 since Dear John was released.
In Dear John, I think Channing Tatum looks:
Dear John scores 6.6 out of 10 on The Movie Database.
Channing Tatum's first acting role was as 'Rowdy Sparks' in Supercross, released in 2005 when he was 25.