Guest Stars Gary Cole voices Dr. James Timothy Possible Jean Smart voices Dr. Ann Possible Kirsten Storms voices Bonnie Rockwaller Shaun Fleming voices Jim Possible Shaun Fleming voices Tim Possible Dan Castellaneta voices Goon Breckin Meyer voices Josh Wendell Mankey John DiMaggio voices Dr. Drakken John DiMaggio voices Heinrich Nicole Sullivan voices Shego Tara Strong voices Britina Roz Ryan voices Wade's Mother