The plot details are revealed to be secret, but it has been rumoured it will take place during Ultimate Alien.
There is a rumoured cast list from comicbookmovie.com
The possible cast list for the film is:
- Logan Lerman or Cameron Bright as Benjamin "Ben" Tennyson / Ben 10
- Noah Ringer, Troye Sivan or Ryan Ochoa as 10-year-old Ben
- Nicola Peltz or Debby Ryan as Gwendolyn "Gwen" Tennyson
- Nathan Kress or Mitchel Musso as Kevin E. Levin
- Greg Mullavy or
- Malese Jow or
- Dwayne Johnson as Fourarms
On June 14, 2011, Producer Joel Silver announced that he along with Warner Bros. and Dark Castle Entertainment would bring Ben 10 to the big screen. It was announced that Ben 10 live action movie is pre-production starting in late 2011 from Warner Bros. Pictures. A release date is unknown at this time, most likely thought of 2013 or 2014.