Inner city kids from a poor neighborhood go up against the undefeated Beverly Hills Junior National Karate Team.
| Actor | Role |
|---|---|
 Phillip RheeJimmy 'The Lightning Bolt' | Jimmy 'The Lightning Bolt' |
 Mirelly TaylorValerie Cruz | Valerie Cruz |
 Max GailCharlie Walker | Charlie Walker |
 Adam IrigoyenWyatt | Wyatt |
 Ryan PotterEric | Eric |
 Ted McGinleyMr. Hershfeld | Mr. Hershfeld |
 Lauren BowlesMrs. Jones | Mrs. Jones |
 Ellia EnglishBig Mama | Big Mama |
| CCade SuttonRaymond | Raymond |
 Nicolas BechtelSean | Sean |
 Rayna VallandinghamLeticia | Leticia |
| LLorenz ArnellRasheed | Rasheed |
| AAidan ConsidineAlex | Alex |
| SSebastian SaracenoBig Guy | Big Guy |
 Tom ArnoldGene "Geno" Burman | Gene "Geno" Burman |
 Beau BridgesRon Butz | Ron Butz |
| SSeth LeeJake | Jake |
 Benny UrquidezJudge | Judge |
 Richard NortonJudge | Judge |
 Ron YuanMarc Zuko | Marc Zuko |
 Dallas LiuYoung Jimmy | Young Jimmy |
 Andrew FranklinRicky | Ricky |
 Jaron AdamsBathroom Bully (uncredited) | Bathroom Bully (uncredited) |
 Don WilsonJudge | Judge |