3 Ninjas

3 Ninjas is a 1992 American martial arts comedy film directed by Jon Turteltaub about three young brothers who learn martial arts from their Japanese grandfather.

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 to battle the crime ring.

It was followed by 3 Ninjas Kick Back, 3 Ninjas Knuckle Up and 3 Ninjas: High Noon at Mega Mountain.

Cast
3 Ninjas Adults
 * Michael Treanor as Samuel Rocky Douglas.
 * Max Elliott Slade as Jeffrey Colt Douglas.
 * Chad Power as Michael Tum Tum Douglas.
 * Victor Wong as Grandpa Mori Shintaro.
 * Alan McRae as Sam Douglas.
 * Rand Kinglsey as Hugo Snyder.
 * Joel Sweton as Mr. Brown.
 * Professor Toru Tanaka as Rushmore.
 * Patrick Labyorteaux as Fester.