 | Seth Rogen als Britt Reid / Green Hornet |
 | Jay Chou als Kato |
 | Cameron Diaz als Lenore Case |
 | Tom Wilkinson als James Reid |
 | Christoph Waltz als Chudnofsky |
 | Edward James Olmos als Michael Axford |
 | David Harbour als Frank Scanlon |
 | Chad L. Coleman als Chili |
 | Jamie Harris als Popeye |
 | Edward Furlong als Tupper |
 | Jill Remez als Daily Sentinel Reporter |
 | Joe O'Connor als Daily Sentinel Reporter |
 | Morgan Rusler als Daily Sentinel Reporter |
 | Joshua Erenberg als Young Britt |
 | Lio Tipton als Anna Lee |
 | Taylor Cole als Limo Girl |
 | Robert Clotworthy als Politician |
 | Jamison Yang als City Hall Reporter |
 | Michael Holden als Funeral Businessman |
 | Irene White als Maid |
 | Gary Davis als Police Officer |
 | Billy Mayo als Police Officer |
| Brandon Rudat als TV Anchor |
 | Beverly Brooks als TV Anchor |
 | Lu Parker als TV Anchor |
 | George Fisher als Chauffeur |
 | Diane Mizota als TV Reporter (Reid Estate) |
 | Theodore Bressman als Daniel Vertlieb / Dead Reporter |
| Dave Rickley als Archive Reporter |
| Dina Mamedoya als Russian Aftermath Reporter |
 | Tanner Gill als SWAT Leader |
| George Fisher als Chauffeur |
 | Daniel Arrias als Drug Dealer |
 | Eddie Perez als Drug Dealer |
| Bryan Thompson als Crackhead |
 | Reuben Langdon als Crackhead |
 | Amir Abdalla als Armenian Gang Boss |
| Alexandra Lord als Pool Girl |
| Christy Petersen als Pool Girl |
| Frederick C. Ruiz als Club Bouncer |
 | Keith Adams als Chudnofsky's Gang |
 | Dennis Keiffer als Chudnofsky's Gang |
| Travon Magee als Chudnofsky's Gang |
 | David Powledge als Chudnofsky's Gang |
 | Jerry Trimble als Chudnofsky's Gang |
 | Melissa Barker als Restaurant Customer (uncredited) |
 | James Franco als Danny Crystal Cleer (uncredited) |
 | Thomas Rosales Jr. als Gang Leader (uncredited) |
 | Matt McColm als Chudnofsky's Gang (uncredited) |
 | John Koyama als Chudnofsky's Gang (uncredited) |
 | Joey Courteau als Rock Fan (uncredited) |
| Michel Gondry | Director |
| Evan Goldberg | Screenplay |
| Seth Rogen | Screenplay |
| Fran Striker | Characters |
| George W. Trendle | Characters |
| James Newton Howard | Original Music Composer |
| John Schwartzman | Director of Photography |
| Michael Tronick | Editor |
| Owen Paterson | Production Design |
| Francine Maisler | Casting |
| Kym Barrett | Costume Design |
| Neal H. Moritz | Producer |
| Chris O'Connell | Visual Effects Editor |
| Aaron Williams | VFX Artist |
| Brian Avery | Stunts |
| Lisa Lovaas | Costume Supervisor |
| Seth Rogen | Executive Producer |
| Evan Goldberg | Executive Producer |
| Michael Grillo | Executive Producer |
| Ori Marmur | Executive Producer |
| George W. Trendle, Jr. | Executive Producer |
| Jamie Dixon | Visual Effects Supervisor |
| Raffi Adlan | Co-Producer |
| Vic Armstrong | Stunt Coordinator |
| Vic Armstrong | Second Unit Director |
| Andy Armstrong | Stunt Coordinator |
| Michael Grillo | Unit Production Manager |
| Jonathan Watson | First Assistant Director |
| Michael Hausman | First Assistant Director |
| Christina Fong | Second Assistant Director |
| Leeann Stonebreaker | Associate Producer |
| Camille Cellucci | Visual Effects Producer |
| Greg Papalia | Supervising Art Director |
| Chad S. Frey | Art Direction |
| Randy Moore | Art Direction |
| Benjamin Edelberg | Art Direction |
| Ronald R. Reiss | Set Decoration |
| Andrew M. Siegel | Property Master |
| Anne Rapp | Script Supervisor |
| Ian Fox | "A" Camera Operator |
| Andrew Rowlands | "B" Camera Operator |
| Andrew Rowlands | Steadicam Operator |
| Kimberly Greene | Makeup Department Head |
| Denise Dellavalle | Key Makeup Artist |
| Erin Wooldridge | Makeup Artist |
| Robin Fredriksz | Makeup Artist |
| Melissa Yonkey | Hair Department Head |
| Cheryl Eckert | Key Hair Stylist |
| Soo-Jin Yoon | Hairstylist |
| John Pritchett | Production Sound Mixer |
| David M. Roberts | Boom Operator |
| John Frazier | Special Effects Supervisor |
| Jim Schwalm | Special Effects Coordinator |
| Mike Fantasia | Location Manager |
| Stacey S. McIntosh | Construction Coordinator |
| Bruce Luizzi | Leadman |
| Scot A. McKay | Armorer |
| Kym Langlie | Unit Publicist |
| Jaimie Trueblood | Still Photographer |
| Jessica Drake | Dialect Coach |
| Evan Henke | Additional Editor |
| Dylan Quirt | First Assistant Editor |
| Aaron Brock | First Assistant Editor |
| Adam M. Weber | Assistant Editor |
| Jeffrey J. Haboush | Sound Re-Recording Mixer |
| Greg P. Russell | Sound Re-Recording Mixer |
| Dennis S. Sands | Sound Re-Recording Mixer |
| Harry Cohen | Supervising Sound Editor |
| Wylie Stateman | Supervising Sound Editor |
| Michael J. Benavente | Supervising ADR Editor |
| Ulrika Akander | Dialogue Editor |
| Mildred Iatrou | Dialogue Editor |
| Dino DiMuro | Sound Effects Editor |
| Christopher Assells | Sound Effects Editor |
| Tim Walston | Sound Effects Editor |
| Ann Scibelli | Sound Effects Editor |
| Hector C. Gika | Sound Effects Editor |
| Howard London | ADR Mixer |
| Barbara Harris | ADR Voice Casting |
| Carlton Kaller | Music Editor |
| Joe E. Rand | Music Editor |
| Patrick D. Hurd | Visual Effects Coordinator |
| Mimi Lesseos | Stunts |
| Steven Lambert | Stunts |
| Terry Leonard | Stunts |
| Robin Lynn Bonaccorsi | Stunts |
| Anita Hart | Stunts |
| Jeff Imada | Fight Choreographer |
| Thomas Rosales Jr. | Stunts |
| Vanessa Motta | Stunts |
| Jennifer Caputo | Stunt Driver |
| Annie Ellis | Stunts |
| Dana Dru Evenson | Stunts |
| J.J. Perry | Stunts |
| Mark De Alessandro | Stunts |
| Jack Gill | Stunts |
| Gregory J. Barnett | Stunts |
| Jeffrey G. Barnett | Stunts |
| Keith Woulard | Stunts |
| Jill Brown | Stunt Driver |
| Matt McColm | Stunts |
| Janene Carleton | Stunt Driver |
| Diane Peterson | Stunt Driver |
| Clay Cullen | Stunts |
| Simone Bargetze | Stunts |
| Jay Chou | Songs |
| Allan Padelford | Stunts |
