Alex
ZhenZhen
Dariush
Gabriel
Logan
Grace
Lou
Captain Hawking
General Khoury
Major Collins
Head Counselor (as David Theune)
Conrad
Carl
Angeline
Customs Official
Uncle Chris
Wes
Lucy
Taxi Driver
Young Soldier
Alex's Dad
Dariush's Dad
Zip Line Counselor (as Annie Cavallero)
Additional Voices (voice)
Additional Voices (voice) (as Andrew Robinson)
Jenkins (uncredited)