Ralph Macchio

Daniel LaRusso

Pat Morita

Mr. Miyagi

Elisabeth Shue

Ali Mills

William Zabka

Johnny Lawrence

Martin Kove

John Kreese

Randee Heller

Lucille LaRusso

Ron Thomas

Bobby

Rob Garrison

Tommy

Chad McQueen

Dutch

Tony O'Dell

Jimmy

Israel Juarbe

Freddy

William Bassett

Mr. Mills

Larry B. Scott

Jerry

Juli Fields

Susan

Dana Andersen

Barbara

Pat E. Johnson

Referee

Bruce Malmuth

Ring Announcer

Darryl Vidal

Karate Semi-Finalist

Frances Bay

Lady with Dog

Christopher Kriesa

Official

Bernie Kuby

Mr. Harris

Helen Siff

Cashier

Larry Drake

Yahoo #1

David Abbott

Yahoo #2

Peter Jason

Soccer Coach

Todd Lookinland

Chicken Boy

Sam Scarber

Referee #3

Scott Strader

Eddie

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)

Stan Rodarte

Student at Dance (uncredited)

Monty O'Grady

Club Patron (uncredited)

Chris Casamassa

Tournament Guest (uncredited)