Harrison Ford
Colonel Hyrum Graff
Asa Butterfield
Ender Wiggin
Hailee Steinfeld
Petra Arkanian
Viola Davis
Major Gwen Anderson
Ben Kingsley
Mazer Rackham
Abigail Breslin
Valentine Wiggin
Aramis Knight
Bean
Moisés Arias
Bonzo Madrid
Nonso Anozie
Sergeant Dap
Suraj Partha
Alai
Khylin Rhambo
Dink Meeker
Jimmy 'Jax' Pinchak
Peter Wiggin
Conor Carroll
Bernard
Tony Mirrcandani
Admiral Chjamrajnagar
Stevie Ray Dallimore
John Wiggin
Andrea Powell
Theresa Wiggin
Brandon Soo Hoo
Fly Molo
Han Soto
Lieutenant Soto
Kyle Clements
Young Mazer Rackham
Kelvin Harrison Jr.
Salamander (uncredited)
Caleb J. Thaggard
Stilson
Cameron Gaskins
Slattery
Wendy Miklovic
Female Doctor
Jasmine Kaur
Professor
Edrick Browne
Eros Tech Officer Hendee
Christopher Coakley
Stilson Buddy #1
Chase Walker
Stilson Buddy #2
Gavin Hood
Giant