character - Prof. Harrison

character - Jack Stone

character - Rex

character - Grendel

character - Bodyguard (uncredited)

character - Andrew

character - Devlin

character - Stan

character - Max (uncredited)

character - Jeeter

character - Navy SEAL Instructor

character - Snowy Cones Thug #1

character - Gym Trainer (uncredited)

character - (credited as Lance Bronson)