It is an American movie.
Region 0 is a region free DVD and should play on any player. Europe is Region 2. If your disk is Region 2, the only way to play it is with a region free DVD player or a Region 2 DVD player. It will not play back on a Region 1 (North America) DVD player.
After all, that's the purpose of region codes!
http://www.videohelp.com/dvdplayers
Select the box for "Multisystem PAL/NTSC" and click "Search"
They usually have information on whether the player can play multi-regions (or is hackable - normally only some key presses on the remote - to ignore region coding).