Ralph Macchio
Daniel LaRusso
William Zabka
Johnny Lawrence
Randee Heller
Lucille LaRusso
Bruce Malmuth
Ring Announcer
Darryl Vidal
Karate Semi-Finalist
Christopher Kriesa
Official
Joan Lemmo
Restaurant Manager
Molly Basler
Cheerleading Coach
Brian Davis
Boy in Bathroom
Todd Lookinland
Chicken Boy
Clarence McGee Jr.
Referee #2
Shannon Wilcox
Mrs. Mills (Ali's Mother) (uncredited)
Sharon Spelman
Mrs. Lawrence (Johnny's Mother) (uncredited)
Andrew Shue
Member of Cobra Kai (uncredited)
Donald DeNoyer
Karate Student (uncredited)
David LeBell
Guy at Halloween Dance (uncredited)
Stan Rodarte
Student at Dance (uncredited)
Monty O'Grady
Club Patron (uncredited)
Milanka Stevens
Club Patron (uncredited)
Nick Stevens
Club Patron (uncredited)
Robert Strong
Club Patron (uncredited)
Chris Casamassa
Tournament Guest (uncredited)
Charles Gallant
Karate Fan (uncredited)
Katheryn Gallant
Karate Fan (uncredited)
Kelly Gallant
Karate Fan (uncredited)
Duff Tallahassee
Karate Fan #4 (uncredited)
Ann Oshita
Mrs. Miyagi (uncredited)