Three young boys, Rocky, Colt and Tum Tum together with their neighbor girl, computer whiz Amanda are visiting Mega Mountain amusement park when it is invaded by an army of ninjas led by evil Medusa, who wants to take over the park and hold the owners for ransom. Kids and retired TV star Dave Dragon, who made his farewell appearance at the park at the time the ninjas appeared, have to break Medusa's vicious plans.
as Mori Tanaka "el abuelo
as Samuel Douglas Jr. "Rocky"
as Dave Dragon
as Medusa
as Lothar Zogg
as Colt
as TumTum
as Sam
as Jessica
as Amanda
as Jennifer
as Veronica
as Doyle
as Eric
as Carl
as Zed
as C.J.
as Harry Jacobson
as Klaus
as King
as Beverley
as Gomez
as 'B' Ninja Leader
as Control Room Ninja
as Smithers
as Blonde Woman
as Harry's Butler
as Helicopter Pilot
as Mr. Hartman
as FBI Tech Andrews
as Detective Young
as Susan Blenkenship
as Dave Dragon Stunt Double
as Little Girl
as Young boy
as Master Blaster Ride Attendant
as Shoot and Squirt Attendant
as Lost and Found Attendant
as Park Entrance Attendant
as Softball Attendant
as Teen #1
as Loop Kid #1
as New Yorker
as Computer (voice)
as Lars
as Stunt Cowboy #1
as Stunt Cowboy #2
as Stunt Cowboy #3
as (uncredited)
as Medusa's Thug (uncredited)
as Little Willy (uncredited)
as Buelow
as Lost man (uncredited)
