John Smith / Number Four
Alex Pettyfer
Sarah Hart
Dianna Agron
Sherriff James
Jeff Hochendoner
Number 3
Greg Townley
Number 3's Guardian
Reuben Langdon
Receptionist
Molly McGinnis
Frank
Brian Howe
Bret
Andy Owen
Girl on Street
Sophia Anne Caruso
Sam's Stepdad
Charles Carroll
Mr. Berhman
L. Derek Leonidoff
Physics Teacher
Sabrina de Matteo
Number Six / Maren Elizabeth
Teresa Palmer
Sarah's Dad
Cooper Thornton
Sarah's Mom
Judith Hoag
Sarah's Brother
Jack Walz
Demented Farmer
Bill Laing
Drew
Beau Mirchoff
Kern
Cody Johns
Teen At Party
Isabella Robbins
MOG Warrior
Damien Walters
Jon Braver
Kevin Cassidy
Henri Smith
Timothy Olyphant
Matt Leonard
Nash Edgerton
Carrick O'Quinn
Tim Sitarz
Steve Upton
Tuck (uncredited)
Tucker Albrizzi
Supermarket Cashier (uncredited)
Megan Follows
Sheriff Deputy (uncredited)
Andre' Mason
News Reporter (uncredited)
Brenna Roth
Teen #1 (uncredited)
Morgan Wolk
Mogadorian Commander
Kevin Durand
Neighbor (uncredited)
Jackson Nunn
Sam Goode
Callan McAuliffe
Mark James
Jake Abel
Mr. Simms
Garrett M. Brown
Kevin
Patrick Sebes
Nicole
Emily Wickersham
Executive Producer
Chris Bender
Visual Effects Coordinator
David Feinsilber
Screenplay
Alfred Gough
Stunts
Jimmy N. Roberts
Producer
Michael Bay
Eileen Weisinger
J.C. Spink
Stunt Coordinator
Bradley James Allan
Mark Ginther
Miles Millar
Casting
Tricia Wood
Bob Brown
Original Music Composer
Trevor Rabin
Novel
James Frey
Director
D. J. Caruso
Stunt Double
Marilyn Giacomazzi
David Valdes
Clay Cullen
Alicia Vela-Bailey
Deborah Aquila
Marti Noxon
Director of Photography
Guillermo Navarro
James M. Freitag
Production Design
Tom Southwell
Matthew Cohan
Emily Berger
Editor
Jim Page
Vince Filippone
Jobie Hughes
Costume Design
Marie-Sylvie Deveau
VFX Artist
Eric Mancha
Visual Effects
Jack De La Mare
Second Assistant Director
Allen Kupetsky
Post Production Coordinator
Adam Cole