You'll be happy to hear that Funimation pretty much got all the old voice actors from the game for this movie. Well, this for Yuri and Flynn anyway. At least the others still sound similar to me.
ToVFS Eng Clip 1 by AbyssalChronicles
The English version of Tales of Vesperia: The First Strike, brought to you buy FUNimation, will be released on June 26, 2012. Pre-orders are now available at the following places: Amazon | RightStuf | BestBuy