Rollebesetning

• Jon Tenney — Martin Jordan
• Blake Lively — Carol Ferris
• Tim Robbins — Senator Hammond
• Temuera Morrison — Abin Sur
• Mike Doyle — Jack Jordan
• Taika Waititi — Tom Kalmaku
• Geoffrey Rush — Tomar-Re (voice)
• Clancy Brown — Parallax
• Amy Carlson — Jessica Jordan
• Ryan Reynolds — Hal Jordan / Green Lantern
• Peter Sarsgaard — Hector Hammond
• Mark Strong — Sinestro
• Dylan James — Jason Jordan
• Angela Bassett — Dr. Amanda Walker
• Michael Clarke Duncan — Kilowog (voice)
• Deke Anderson — Four Star General Caven
• Gattlin Griffith — Young Hal
• Tiffany Morgan — Mom
• Laura Cayouette — Party Guest #1