Jenny Johnson/G-Girl Uma Thurman Matt Saunders Luke Wilson Hannah Lewis Anna Faris Professor Bedlam/Barry Eddie Izzard Vaughn Haige Rainn Wilson Carla Dunkirk Wanda Sykes The fusion of effects-fueled action fantasy with comedy worked well for director Ivan Reitman 22 years ago in "Ghostbusters" and, less so, five years ago in "Evolution." But, it fails to save his latest, "My Super Ex-Girlfriend." Uma Thurman, a female superhero with emotional problems and dating issues, doesn't so much fight the forces of evil as battle the
wit-starved movie's torpor--indeed, her perf suggests what the entire film might have been.