David Mazouz
— Miles
Lily Chee
— Harper
Eli D Goss
— Young Miles
Jolie Curtsinger
— Miles' Mom
Mark Quiles
— Miles' Dad
Lia Mountis
— Miles' Sister
Tom Moynahan
— Uncle Fred
Roger Rathburn
— Calculus Teacher
Antonio Gordon
— Lee
Mike Yang
— Spencer
Andrew Larkin
— Jock
Hansel Villar
— Jock's Friend 1
Josh Martinez
— Jock's Friend 2
Brandon Joel Rothstein
— Jock's Friend 3
Quin Gideon
— Jock's Friend 4
Leila Castronovo
— Girl in Pink