Colin Farrell's Doppleganger in UK Brawl

4/18/2010 7:15 AM PDT
It appeared Colin Farrell had engaged in some late night combat in England this weekend -- turns out, it's just a guy who looks JUST LIKE HIM!

The fight pictured in this post went down in London this weekend, outside the famous Cafe de Paris nightclub -- but Colin's rep tells us it couldn't have been the actor ... because he's in L.A.

If Colin ever needs a stunt double ...