Ryan Reynolds
Hal Jordan / Green Lantern
Blake Lively
Carol Ferris
Peter Sarsgaard
Hector Hammond
Mark Strong
Sinestro
Tim Robbins
Senator Hammond
Jay O. Sanders
Carl Ferris
Taika Waititi
Tom Kalmaku
Angela Bassett
Dr. Amanda Waller
Mike Doyle
Jack Jordan
Nick Jandl
Jim Jordan
Dylan James
Jason Jordan
Gattlin Griffith
Young Hal
Jon Tenney
Martin Jordan
Leanne Cochran
Janice Jordan
Temuera Morrison
Abin Sur
Jeff Wolfe
Bob Banks
Lena Clark
Senator's Assistant
Jenna Craig
Carol Ferris at 11
Deke Anderson
Four Star General Caven
Griff Furst
UCAV Operator #1
Garrett Hines
UCAV Operator #2
Ritchie Montgomery
Bunker Doctor
Marcela Duarte Fonseca
Beautiful Girl
Douglas M. Griffin
DEO Agent #1
Armando Leduc
DEO Agent #2
Kenneth Brown Jr.
Avionic Tech #1
Silas Cooper
Avionics Tech #2
Dane Rhodes
Ferris Security Guard
Melanie Hebert
News Reporter (F-35 Crash)
LaTonya Norton
News Reporter #1
Rick Searfoss
Two Star General
Laura Cayouette
Party Guest #1
Bernard Hocke
Party Guest #2
Michael Jamorski
Football Jock
Geoffrey Rush
Tomar-Re (voice)
Michael Clarke Duncan
Kilowog (voice)
Warren Burton
First Guardian (voice)
Salome Jens
Female Guardian (voice)
Clancy Brown
Parallax (voice)
Warren P. Munster
Bartender
Tony Owens
Singer
Donna Haynes Crehan
Additional Party Guest
Tiffany Morgan
Mom
Sharon Morris
Bus Driver
Lance E. Nichols
Cop
Amy Carlson
Jessica Jordan
Bobby Holland Hanton
Security Guard
Dorian Kingi
Tomar-Re (uncredited)