Looks like...
A young Tom Hardy.
shareYeah I saw a few facial similarities to DD as well (the squinty eyes and the lips and the shape of his jaw).
Someone else mentioned Brendan Fehr above, and I was like - *Gasp* Totally! Nailed it in the resemblance department.
Doubt anyone under 30 knows/remembers him from Roswell though!
"Light a fire, a fire, a spark
Light a fire, a flame in my heart"