Several more people have signed on for roles in the upcoming GI Joe movie. Dennis Quaid will be General Hawk, while Channing Tatum has signed on as Duke, the second in command on the international search and rescue team. Also signed is The Mummy's Arnold Vosloo, while theater actor David Murray will be starring as the movie's main villain, Destro. So, with most of the cast complete now shooting on the movie will start next month.