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D.J. Caruso

Director

Alex Pettyfer

John

Timothy Olyphant

Henri

Teresa Palmer

Number 6

Dianna Agron

Sarah

Callan McAuliffe

Sam

Kevin Durand

Mogadorian Commander

Jake Abel

Mark

Jeff Hochendoner

Sheriff James

Patrick Sebes

Kevin

Greg Townley

Number 3

Reuben Langdon

Number 3's Guardian

Emily Wickersham

Nicole

Molly McGinnis

Receptionist

Brian Howe

Frank

Andy Owen

Bret

Sophia Anne Caruso

Girl on Street

Charles Carroll

Sam's Stepdad

L. Derek Leonidoff

Mr. Berhman

Alfred Gough

Writer

Miles Millar

Writer

Marti Noxon

Writer

Jobie Hughes

Writer

James Frey

Writer