Seth Rogen as Britt Reid / Green Hornet

Jay Chou as Kato

Cameron Diaz as Lenore Case

Tom Wilkinson as James Reid

Christoph Waltz as Chudnofsky

Edward James Olmos as Michael Axford

David Harbour as Frank Scanlon

Chad L. Coleman as Chili

Jamie Harris as Popeye

Edward Furlong as Tupper

Jill Remez as Daily Sentinel Reporter

Joe O'Connor as Daily Sentinel Reporter

Morgan Rusler as Daily Sentinel Reporter

Joshua Erenberg as Young Britt

Lio Tipton as Anna Lee

Taylor Cole as Limo Girl

Robert Clotworthy as Politician

Jamison Yang as City Hall Reporter

Michael Holden as Funeral Businessman

Irene White as Maid

Gary Davis as Police Officer

Billy Mayo as Police Officer

Brandon Rudat as TV Anchor

Beverly Brooks as TV Anchor

Lu Parker as TV Anchor

George Fisher as Chauffeur

Diane Mizota as TV Reporter (Reid Estate)

Theodore Bressman as Daniel Vertlieb / Dead Reporter

Dave Rickley as Archive Reporter

Dina Mamedoya as Russian Aftermath Reporter

Tanner Gill as SWAT Leader

George Fisher as Chauffeur

Daniel Arrias as Drug Dealer

Eddie Perez as Drug Dealer

Bryan Thompson as Crackhead

Reuben Langdon as Crackhead

Amir Abdalla as Armenian Gang Boss

Alexandra Lord as Pool Girl

Christy Petersen as Pool Girl

Frederick C. Ruiz as Club Bouncer

Keith Adams as Chudnofsky's Gang

Dennis Keiffer as Chudnofsky's Gang

Travon Magee as Chudnofsky's Gang

David Powledge as Chudnofsky's Gang

Jerry Trimble as Chudnofsky's Gang

Melissa Barker as Restaurant Customer (uncredited)

James Franco as Danny Crystal Cleer (uncredited)

Thomas Rosales Jr. as Gang Leader (uncredited)

Matt McColm as Chudnofsky's Gang (uncredited)

John Koyama as Chudnofsky's Gang (uncredited)

Joey Courteau as Rock Fan (uncredited)