Sharon Stone joins Kristen Stewart in 'American Ultra'

Sharon Stone has signed up to star in the action comedy 'American Ultra" with Kristen Stewart and Jesse Eisenberg.

The 56-year-old American actress has bagged the role which was rumored to be given to Uma Thurman, and will be seen alongside Topher Grace, John Leguizamo and Bill Pullman, the New York Post reported.

Stone will be playing a government agent in charge of a sleeper cell program, in the movie by 'Project X' director Nima Nourizadeh and 'Chronicle' writer Max Landis.