Thanks to Newsarama , we have the first trailer for Justice League: Throne of Atlantis. It reveals quite a bit more about the animated feature which will be released next Spring. The site also has a synopsis of sorts which reads,The cast of the movie includes Matt Lanter (Aquaman), Sam Witwer (Orm/Ocean Master), Chris Gorham (The Flash), Jason O'Mara (Batman), Shemar Moore (Cyborg), Rosario Dawson (Wonder Woman), Jerry O'Connell (Superman), Nathan Fillion (Green Lantern), and Sean Astin (Shazam). Check out the trailer and share your thoughts on it in the usual place!