main cast
| Demetri Alexopoulos | Gianni DeCenzo |
| Carmen Diaz | Vanessa Rubio |
| Miguel Diaz | Xolo Mardueña |
| Robby Keene | Tanner Buchanan |
| John Kreese | Martin Kove |
| Amanda LaRusso | Courtney Henggeler |
| Daniel LaRusso | Ralph Macchio |
| Samantha LaRusso | Mary Mouser |
| Johnny Lawrence | William Zabka |
| Eli "Hawk" Moskowitz | Jacob Bertrand |
| Tory Nichols | Peyton List |
| Kenny Payne | Dallas Dupree Young |
| Terry Silver | Thomas Ian Griffith |