Nathan Fillion (Serenity) has signed to provide the voice of Steve Trevor in the upcoming direct to video DVD of Wonder Woman. According to World's Finest Online, the announcement was made at the 2008 FX International Con.
This will be the second time Fillion has voiced one of DC Comic's heroes, having provided the voice of Vigilante in Justice League. Fillion will co-star alongside Keri Russell, who will play Wonder Woman. At this time, the plot of the animated feature remains unknown.
Wonder Woman is slated for a late 2008/early 2009 release.