Jimmy 'The Lightning Bolt'
Valerie Cruz
Charlie
Wyatt
Eric
Mr. Hershfeld
Mrs. Jones
Big Mama
Raymond
Sean
Leticia
Rasheed
Alex
Ricky
Big Guy
Tiny
Martha
Andrew
Cameron (as Tyler Weaver)
Jake
Teacher
Mrs. Shabazz
Reggie Shabazz
Ted Barret
Gene Berman
Frank Bosco
Ron
Goliath
Scorpions #4
Scorpions #5
Karate Teacher (as Kiko Ellsworth)
Young Jimmy
Young Barret
Marc Zuko
Executive
Ballerina
Bully
Referee #1
Referee #2
Gigi
Judge (as Master Jun Chong)
Judge (as Master Danny Inosanto)
Judge (as Master Benny 'The Jet' Urquidez)
Judge (as Master Don 'The Dragon' Wilson)
Judge (as Master Richard Norton)
Stomp #1
Stomp #2
Stomp #3
Bathroom Bully (uncredited)
Lawyer (uncredited)
Middle School Student (uncredited)
Fight Announcer (uncredited)
High School Student (uncredited)
Karate Teacher (uncredited)
Student (uncredited)
Phil (uncredited)