Stephen Merchant was 31 in Hot Fuzz when he played the character 'Peter Ian Staker'.
That was over 17 years ago in 2007.
This was his first recorded movie acting credit (although may not technically be his first actual acting role).
Today he is 49, and has starred in 31 movies in total, 30 of those since Hot Fuzz was released.
In Hot Fuzz, I think Stephen Merchant looks: