• 
  John G. Avildsen

  regizor

• 
  Robert Mark Kamen

  scenarist

• 
  Pat Morita

  Kesuke Miyagi
• 
  Ralph Macchio

  Daniel LaRusso
• 
  Bruce Malmuth

  Crainic
• 
  Joey Miyashima

  Toshio
• 
  Arsenio 'Sonny' Trinidad

  Ichiro
• 
  Martin Kove

  John Kreese

• 
  Raymond Ma

  Cab Driver in Okinawa
• 
  William Zabka

  Johnny Lawrence - returning as The Cobras
• 
  Chad McQueen

  Dutch - returning as The Cobras
• 
  Yuji Okumoto

  Chozen
• 
  Tamlyn Tomita

  Kumiko
• 
  Clarence Gilyard Jr.

  G.I. #1
• 
  Lee Arnone

  Stewardess

• 
  Martin Kove

  Kreese
• 
  Will Hunt

  Postman
• 
  Evan James

  Cab Driver (as Evan Malmuth)
• 
  Brett Johnson

  Autograph Fan
• 
  Garth Johnson

  Autograph Fan
• 
  Pat E. Johnson

  Referee
• 
  Danny Kamekona

  Sato
• 
  Sarah Kendall

  Stewardess #2
• 
  Eddie Smith

  Bystander