Another name has been added to the cast of the G.I. Joe movie.

Marlon Wayans has signed on to play Ripcord, leader of the military unit in the big screen adaptation of the acclaimed cartoon series.

Moreover, Joseph Gordon-Levitt is in negotiations to join the film, which is based on the American soldier action figure created by Hasbro.

The war-themed story is set 10 years in the future. Stuart Beattie wrote the screenplay and Stephen Sommers will direct. Rachel Nichols, Sienna Miller, Adewale Akinnuoye-Agbaje and Said Taghmaoui have already joined the cast.

Paramount will release the movie on August 7, 2009.