 | Ryan Reynolds als Hal Jordan / Green Lantern |
 | Blake Lively als Carol Ferris |
 | Peter Sarsgaard als Hector Hammond |
 | Mark Strong als Sinestro |
 | Tim Robbins als Senator Hammond |
 | Angela Bassett als Dr. Amanda Waller |
 | Taika Waititi als Tom Kalmaku |
 | Temuera Morrison als Abin Sur |
 | Michael Clarke Duncan als Kilowog (voice) |
 | Geoffrey Rush als Tomar-Re (voice) |
 | Clancy Brown als Parallax (voice) |
 | Jay O. Sanders als Carl Ferris |
 | Gattlin Griffith als Young Hal |
 | Jenna Craig als Carol Ferris at 11 |
 | Jon Tenney als Martin Jordan |
 | Mike Doyle als Jack Jordan |
 | Nick Jandl als Jim Jordan |
 | Dylan James als Jason Jordan |
 | Leanne Cochran als Janice Jordan |
 | Amy Carlson als Jessica Jordan |
 | Tiffany Morgan als Mom |
 | Deke Anderson als Four Star General Caven |
 | Bobby Holland Hanton als Security Guard |
 | Laura Cayouette als Party Guest #1 |
 | Silas Cooper als Avionics Tech #2 |
 | Jeff Wolfe als Bob Banks |
 | Dorian Kingi als Tomar-Re (uncredited) |
 | Marcela Duarte Fonseca als Beautiful Girl |
| Martin Campbell | Director |
| James Newton Howard | Original Music Composer |
| Heidi Brook Myers | ADR & Dubbing |
| Geoff Johns | Producer |
| Michael Goldenberg | Screenplay |
| Pam Dixon | Casting |
| Andrew Haas | Executive Producer |
| Grant Major | Production Design |
| Marc Guggenheim | Screenplay |
| Greg Berlanti | Producer |
| Greg Berlanti | Screenplay |
| Dion Beebe | Director of Photography |
| Herb Gains | Executive Producer |
| Michael Green | Screenplay |
| Donald De Line | Producer |
| Ngila Dickson | Costume Design |
| Hugo Dominguez | Visual Effects |
| Joel Foster | Animation |
| Jessica Wolff | VFX Artist |
| Aaron Williams | VFX Artist |
| Andrew Malesky | Animation |
| Scott Plauche | Art Direction |
| Rosa Palomo | Assistant Art Director |
| Heather Mages | Makeup Artist |
| Iain McFadyen | Art Direction |
| Robert Fechtman | Assistant Art Director |
| Chere Theriot | Art Department Coordinator |
| Catherine Marcotte | Hairstylist |
| Khanh Trance | Wigmaker |
| Heather Elwell | Art Department Coordinator |
| Pam Fuller | Script Supervisor |
| Anne Kuljian | Set Decoration |
| Kelvin R. Trahan | Hairstylist |
| Anna Rane | Script Supervisor |
| Elizabeth Hershberger Gray | Art Department Coordinator |
| Dee Leveque | Hairstylist |
| Felicity Bowring | Makeup Department Head |
| Andrew L. Jones | Art Direction |
| Rod Ortega | Hairstylist |
| Elaine L. Offers | Makeup Artist |
| Natasha Ladek | Wigmaker |
| Ed Natividad | Conceptual Design |
| John Hoskins | Construction Coordinator |
| Jeff Julian | Conceptual Design |
| François Audouy | Supervising Art Director |
| Scheryl W Brown | Stunts |
| Wayne Dalglish | Stunts |
| Rick Newsome | Storyboard Designer |
| Deven MacNair | Stunts |
| Stuart Baird | Editor |
| Marc Guggenheim | Screenstory |
| Michael Green | Screenstory |
| Greg Berlanti | Screenstory |
| Andrew Petrotta | Property Master |
| Stephanie Portnoy Porter | Costumer |
| Jerad Marantz | Character Designer |
| Justin Lacalamita | Set Production Assistant |
| Michael Roderick | Compositing Lead |
| Benjamin Liu | Visual Effects |
| Gary Archer | Prosthetics |
| Armen Ksajikian | Musician |
| Annie Ellis | Stunts |
| Dana Dru Evenson | Stunts |
| Melissa R. Stubbs | Stunts |
| Gary Powell | Stunt Coordinator |
| Mallory Thompson | Stunts |
| Alisa Hensley | Stunts |
| Luci Romberg | Stunts |
| Ashley Nicole Hudson | Stunts |
| Clay Cullen | Stunts |
| Michael Runyard | Stunts |
| Jeremy Fry | Stunt Double |
| Chelsea Bruland | Stunts |
