Warren Hull

Britt Reid / Green Hornet

Anne Nagel

Lenore Case

Keye Luke

Kato

Pierre Watkin

Boss Crogan

Wade Boteler

Michael Axford

Eddie Acuff

Lowery - a Reporter

Arthur Loft

Tauer - Chief Gangster

James Seay

Bordine - a Gangster

Joe Devlin

Joe Dolan - Henchman

William Hall

Don DeLuca - Henchman

Dorothy Lovett

Frances Grayson / Stella Merja

Jay Michael

Foranti - Construction Racketeer

Charles Miller

George K. Otterson

Jean Brooks

Gloria Manning

Irving Mitchell

Breedon

William Forrest

Frederick Harper

Eddie Dunn

Foley - Racketeer

C. Montague Shaw

Weaver - Gang Chemist

Roy Barcroft

Cop at Newspaper Truck Vandalism

Robert Barron

Haggis - Crooked Nightclub Owner

James Blaine

Jason Eldridge

Al Bridge

Ship's Captain

Ralph Brooks

Cain's Assistant

Henrietta Burnside

Mrs. Carter - Widow

William P. Carleton

Gloria's Father

Allan Cavan

Police Chief Harding

Lane Chandler

Cop Car-Chasing Foranti

Stephen Chase

Mr. Evans - Construction Engr.

Jack Cheatham

Pete - Steelmill Watchman

Jack Rube Clifford

McCoig - Homeowner Thug

Harry Cording

Dannick - Crooked Construction Foreman

Hal Craig

Police Patrolman

Eddie Dew

Henchman-Delivery Man

Frank Ellis

Bill, Steel Mill Guard

Jack Ellis

Franks - Gangster

Eugene L. Eubank

Theodore - Crooked Financier

Harry Fleischmann

Gault

Joseph Forte

Miss Grayson's Butler

Jerry Frank

Silk Truck Driver

Alan Gregg

Injured Truck Driver

Earl Gunn

Manning #2 - Thug

Karl Hackett

Hansen, the Stranger

Frank Hagney

Warehouse Truck Loader

Alfred Hall

Mr. Marsden

Chuck Hamilton

Policeman at Breedon's House

Edward Hearn

Patrol Cop

John Holland

Grinson - Foreign Agent

Frank Hoose

Crawford - Crooked Executive

Reed Howes

Policeman at Breedon's House

Richard Kipling

Dr. J.C. Bedloe

Bob Kortman

Gang Farmhouse Owner

Ethan Laidlaw

Jenkins, aka Jennings

Tom London

Thug with Explosives

Pierce Lyden

Tonjes - Gang Pilot

George Magrill

Spike - Henchman with Bordine

Philo McCullough

Milton - Chief Plant Guard

Paul McVey

Kenneth North

John Merton

Thug at Rear of Truck

Thomas Mizer

Newspaper Truck Driver

Frank O'Connor

Police Patrolman

Jimmy O'Gatty

Jasper Vale - Arsonist

Pat O'Malley

Editor Gunnigan

Nestor Paiva

Rufus - Henchman in Hawaii

Eddie Parker

Henchman with Dolan

Ed Payson

Al - Thug at Locust St. Warehouse

Jack Perrin

Gunner - Army Deserter

Jason Robards Sr.

Foley's Bodyguard

William Ruhl

J.E. Lynch - Gang Attorney

Dick Rush

Policeman at Breedon's Home

Walter Sande

Thug Boss at Gold Star Warehouse

Clarence Straight

Snipe's Partner

Harry Strang

Joe - Henchman

Barry Sullivan

Thug in Car's Back Seat

Forrest Taylor

Snipe - Foranti Thug

Ray Teal

Chief Guard at Steel Mill

Richard Travis

Nightclub Headwaiter

Phil Warren

C. Smith - Thug

Allen Wood

Photographer

Bert Young

Silk Truck Passenger

Louise Currie

Bordine's Girlfriend