 Mel GibsonGraham Hess | Graham Hess |
 Joaquin PhoenixMerrill Hess | Merrill Hess |
 Rory CulkinMorgan Hess | Morgan Hess |
 Abigail BreslinBo Hess | Bo Hess |
 Cherry JonesOfficer Paski | Officer Paski |
 M. Night ShyamalanRay Reddy | Ray Reddy |
 Patricia KalemberColleen Hess | Colleen Hess |
 Ted SuttonSFC Cunningham | SFC Cunningham |
 Merritt WeverTracey Abernathy | Tracey Abernathy |
 Lanny FlahertyMr. Nathan | Mr. Nathan |
 Marion McCorryMrs. Nathan | Mrs. Nathan |
 Michael ShowalterLionel Prichard | Lionel Prichard |
| KKevin PiresBrazilian Birthday Boy | Brazilian Birthday Boy |
 Clifford DavidColumbia University Professor | Columbia University Professor |
 Rhonda OverbySarah Hughes | Sarah Hughes |
 Greg WoodTV Anchor | TV Anchor |
 Paul L. NolanMexico City Reporter (voice) | Mexico City Reporter (voice) |
 Ukee WashingtonOff Screen TV Anchor (voice) | Off Screen TV Anchor (voice) |
| BBabita HarianiCar Radio Voice (voice) | Car Radio Voice (voice) |
 Adam WayRadio Eye Witness (voice) | Radio Eye Witness (voice) |
 Angela EckertSoda Commercial Girl | Soda Commercial Girl |
 Jose L. RodriguezRadio Host (voice) | Radio Host (voice) |
| PPaul WilsonSoda Commercial Singer (voice) | Soda Commercial Singer (voice) |
| TThomas GriffinSoda Commercial Singer (voice) | Soda Commercial Singer (voice) |
 Derek MearsAlien on the Roof (uncredited) | Alien on the Roof (uncredited) |
 Chuck PresslerFireman (uncredited) | Fireman (uncredited) |
