Ralph Macchio

Daniel

Pat Morita

Miyagi

Elisabeth Shue

Ali

William Zabka

Johnny

Martin Kove

Kreese

Randee Heller

Lucille

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

Frank Burt Avalon

Chucky

Jeff Fishman

Billy

Ken Daly

Chris

Tom Fridley

Alan

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

Joan Lemmo

Restaurant Manager

Helen Siff

Cashier

Larry Drake

Yahoo #1

David Abbott

Yahoo #2

Molly Basler

Cheerleading Coach

Brian Davis

Boy in Bathroom

David De Lange

Waiter

Erik Felix

Karate Student

Peter Jason

Soccer Coach

Todd Lookinland

Chicken Boy

Clarence McGee Jr.

Referee #2

William Norren

Doctor

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)

David LeBell

Guy at Halloween Dance (uncredited)

Stan Rodarte

Student at Dance (uncredited)

Monty O'Grady

Club Patron (uncredited)

Robert Strong

Club Patron (uncredited)

Chris Casamassa

Tournament Guest (uncredited)

Charles Gallant

Karate Fan (uncredited)

Richard Patrick

Beachgoer (uncredited)