Alex decides to end his kid brother's nightmares by forming a task force to take care of imaginary monsters. When their business becomes a hit, nothing can go wrong...until one of the monsters turns out to be real, and really big.
| Actor | Role |
|---|---|
 Mischa BartonKatie Parker | Katie Parker |
 Stephen TobolowskyMr. Phillips | Mr. Phillips |
 Austin St. JohnSean Parker | Sean Parker |
 Matthew KostoAlex Parker | Alex Parker |
| AAuggie PulliamDylan | Dylan |
 Alicia C. Del AguilaPhoenix | Phoenix |
 Brooklynn PrinceSophie | Sophie |
| AAngela WiniewiczElizabeth | Elizabeth |
 Lola SultanWillow Hannigan | Willow Hannigan |
 Zachary T. RobbinsGordon | Gordon |
| CCooper LevinDonny Phillips | Donny Phillips |
 Tara McDonaldAshley | Ashley |
 Trevor DoldenGavin | Gavin |
| MMelanie SuarezTaylor | Taylor |
| HHayden RamseyBobby | Bobby |
| JJayden GrimesBrad Feren | Brad Feren |
| DDonald BuhrmeisterChaz | Chaz |
 Andy UssachTeacher (uncredited) | Teacher (uncredited) |