Ender Wiggin
Colonel Graff
Petra Arkanian
Valentine Wiggin
Mazer Rackham
Major Gwen Anderson
Bean
Alai (as Suraj Parthasarathy)
Bonzo Madrid
Dink Meeker
Peter Wiggin (as Jimmy Jax Pinchak)
Sergeant Dap
Bernard
Stilson (as Caleb Thaggard)
Slattery (Leopard Army)
John Wiggin
Theresa Wiggin
Fly Molo
Young Mazer Rackham
Female Doctor
Professor
Lieutenant Soto
Eros Tech Officer Hendee
Admiral Chjamrajnagar
Stilson Buddy #1 (as Chris Coakley)
Stilson Buddy #2
Giant
Member of Rat Army (uncredited)
Featured Extra in Mess Hall (uncredited)
Launchie - Eros Cadet (uncredited)
Dragon (uncredited)
Launchie / Eros Cadet (uncredited)
Stilson's Posse (uncredited)
Soldier (uncredited)
Cadet Wallace (uncredited)
Launchie / Dragon Platoon / Eros (uncredited)
Griffin Cadet (uncredited)
Salamander (uncredited)
Cadet / Launchie (uncredited)
Retired Soldier (uncredited)
Mick (uncredited)
Salamander / Dragon (uncredited)
Launchie / Dragon (uncredited)
Tech Officer Mihailov (uncredited)
Cadet / Centipede Army (uncredited)
Salamander / Eros (uncredited)
Sammy (uncredited)
Medic (uncredited)