The Wiggins
 |
 |
 |
| Andrew “Ender” Wiggin Actor: Asa Butterfield |
Valentine Wiggin Actor: Abigail Breslin |
Peter Wiggin Actor: Jimmy “Jax” Pinchak |
 |
 |
|
| Theresa Wiggin Actor: Andrea Powell |
John Wiggin Actor: Stevie Ray Dallimore |
Battle School Teachers
 |
 |
 |
| Colonel Hyram Graff Actor: Harrison Ford |
Mazer Rackham Actor: Ben Kingsley |
Major Gwen Anderson Actor: Viola Davis |
 |
 |
|
| Dap (Mom) Actor: Nonso Anozie |
Admiral Chamrajnagar Actor: Tony Mirrcandani |
Battle School Students
 |
 |
 |
| Alai Actor: Suraj Partha |
Bean Actor: Aramis Knight |
Bernard Actor: Conor Carroll |
 |
 |
 |
| Bonzo Madrid Actor: Moises Arias |
Dink Meeker Actor: Khylin Rhambo |
Fly Molo Actor: Brandon Soo Hoo |
 |
 |
 |
| Mick Actor: Jacob Leinbach |
Petra Arkanian Actor: Hailee Steinfeld |
Pol Slattery Actor: Cameron Gaskins |
Other Characters
 |
 |
 |
| Young Mazer Rackham Actor: Kyle Russell Clements |
Graff’s Aide Actor: Han Soto |
Stilson Actor: Caleb Thaggard |