Ryan Reynolds
Hal Jordan / Green Lantern
Blake Lively
Carol Ferris
Peter Sarsgaard
Hector Hammond
Mark Strong
Sinestro
Tim Robbins
Senator Hammond
Angela Bassett
Dr. Amanda Waller
Taika Waititi
Tom Kalmaku
Temuera Morrison
Abin Sur
Michael Clarke Duncan
Kilowog (voice)
Geoffrey Rush
Tomar-Re (voice)
Clancy Brown
Parallax (voice)
Jay O. Sanders
Carl Ferris
Gattlin Griffith
Young Hal
Jenna Craig
Carol Ferris at 11
Jon Tenney
Martin Jordan
Mike Doyle
Jack Jordan
Nick Jandl
Jim Jordan
Dylan James
Jason Jordan
Leanne Cochran
Janice Jordan
Amy Carlson
Jessica Jordan
Tiffany Morgan
Mom
Deke Anderson
Four Star General Caven
Bobby Holland Hanton
Security Guard
Laura Cayouette
Party Guest #1
Silas Cooper
Avionics Tech #2
Jeff Wolfe
Bob Banks
Dorian Kingi
Tomar-Re (uncredited)
Marcela Duarte Fonseca
Beautiful Girl