- Warren Hull
- Britt Reid / Green Hornet
- Wade Boteler
- Michael Axford
- Anne Nagel
- Lenore Case
- Keye Luke
- Kato
- Eddie Acuff
- Lowery
- Pierre Watkin
- Boss Crogan
- James Seay
- Bordine
- Arthur Loft
- Tauer
- Joe Devlin
- Joe Dolan
- William Hall
- Don DeLuca
- Dorothy Lovett
- Frances Grayson / Stella Merja
- Jay Michael
- Foranti
- Charles Miller
- George Otterson
- Jean Brooks
- Gloria Manning
- Irving Mitchell
- Breedon
- William Forrest
- Frederick Harper
- Eddie Dunn
- Foley
- C. Montague Shaw
- Weaver
- Fred Aldrich
- Hood
- Roy Barcroft
- Cop at Newspaper Truck Vandalism
- Robert Barron
- Haggis
- James Blaine
- Jason Eldridge
- Al Bridge
- Ship's Captain
- Ralph Brooks
- Cain's Assistant
- Henrietta Burnside
- Mrs. Carter
- William P. Carleton
- Gloria's Father
- Allan Cavan
- Police Chief Harding
- Lane Chandler
- Police Officer
- Stephen Chase
- Mr. Evans
- Jack Cheatham
- Pete
- Jack Rube Clifford
- McCoig
- Harry Cording
- Dannick
- Hal Craig
- Police Patrolman
- Louise Currie
- Bordine's Girlfriend
- Eddie Dew
- Henchman
- Frank Ellis
- Bill
- Jack Ellis
- Franks
- Eugene L. Eubank
- Theodore
- Harry Fleischmann
- Gault
- Joseph Forte
- Miss Grayson's Butler
- Jerry Frank
- Silk Truck Driver
- Alan Gregg
- Injured Truck Driver
- Earl Gunn
- Manning
- Herman Hack
- Truck Driver
- Karl Hackett
- Hansen
- Frank Hagney
- Warehouse Truck Loader
- Alfred Hall
- Mr. Marsden
- Chuck Hamilton
- Policeman at Breedon's House
- Edward Hearn
- Patrol Cop
- John Holland
- Grinson
- Frank Hoose
- Crawford
- Reed Howes
- Policeman at Breedon's House
- Richard Kipling
- Dr. J.C. Bedloe
- Bob Kortman
- Gang Farmhouse Owner
- Ethan Laidlaw
- Jenkins
- Tom London
- Thug with Explosives
- Pierce Lyden
- Tonjes
- George Magrill
- Spike
- Philo McCullough
- Milton
- Paul McVey
- Kenneth North
- John Merton
- Thug at Rear of Truck
- Frank O'Connor
- Police Patrolman
- Jimmy O'Gatty
- Jasper Vale
- Pat O'Malley
- Editor Gunnigan
- Nestor Paiva
- Rufus
- Eddie Parker
- Henchman with Dolan
- Ed Payson
- Al
- Jack Perrin
- Gunner - Army Deserter
- Bob Reeves
- Police Officer
- Jason Robards Sr.
- Foley's Bodyguard
- William Ruhl
- J.E. Lynch
- Dick Rush
- Policeman at Breedon's Home
- Walter Sande
- Thug Boss at Gold Star Warehouse
- Clarence Straight
- Snipe's Partner
- Harry Strang
- Joe
- Forrest Taylor
- Snipe
- Ray Teal
- Chief Guard at Steel Mill
- Richard Travis
- Nightclub Headwaiter
- Phil Warren
- C. Smith
- Allen Wood
- Photographer
- Bert Young
- Silk Truck Passenger
