1h 36m
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Tum Tum, Colt and Rocky Ready for a Ninja Summer!
Each year, three brothers Samuel, Jeffrey and Michael Douglas visits their Japanese grandfather, Mori Shintaro whom the boys affectionately refer to as Grandpa, for the summer. Mori is a highly skilled in the fields of Martial arts and Ninjutsu, and for years he has trained the boys in his techniques. After an organized crime ring proves to be too much for the FBI, it's time for the 3 brother NINJAS! To use their martial arts skills, they team up to battle the crime ring and outwit some very persistent kidnappers!
Victor Wong Chi-Keung
Grandpa Mori Tanaka
Michael Treanor
Samuel 'Rocky' Douglas Jr.
Max Elliott Slade
Jeffrey 'Colt' Douglas
Rand Kingsley
Hugo Snyder
Alan McRae
Samuel Douglas Sr., FBI
Margarita Franco
Jessica Douglas
Joel Swetow
Brown
Scott Caudill
Bully
Clifton Powell
FBI Agent Kurl
Alfredo Septién
Arab FBI Agent
Patrick Labyorteaux
Fester
Fritzi Burr
Babysitter
Rick Avery
FBI Agent (uncredited)