Alex Pettyfer
John Smith / Number Four
Teresa Palmer
Number Six / Maren Elizabeth
Timothy Olyphant
Henri Smith
Kevin Durand
Mogadorian Commander
Callan McAuliffe
Sam Goode
Garrett M. Brown
Mr. Simms
Jeff Hochendoner
Sherriff James
Reuben Langdon
Number 3's Guardian
Molly McGinnis
Receptionist
Sophia Anne Caruso
Girl on Street
Charles Carroll
Sam's Stepdad
L. Derek Leonidoff
Mr. Berhman
Sabrina de Matteo
Physics Teacher
Cooper Thornton
Sarah's Dad
Bill Laing
Demented Farmer
Isabella Robbins
Teen At Party
Damien Walters
MOG Warrior
Carrick O'Quinn
MOG Warrior
Tucker Albrizzi
Tuck (uncredited)
Megan Follows
Supermarket Cashier (uncredited)
Andre' Mason
Sheriff Deputy (uncredited)
Brenna Roth
News Reporter (uncredited)
Morgan Wolk
Teen #1 (uncredited)
Jackson Nunn
Neighbor (uncredited)
