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
William Hall
Don DeLuca - Henchman
Dorothy Lovett
Frances Grayson / Stella Merja
Jean Brooks
Gloria Manning
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
William P. Carleton
Gloria's Father
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
Eddie Dew
Henchman-Delivery Man
Frank Ellis
Bill, Steel Mill Guard
Joseph Forte
Miss Grayson's Butler
Karl Hackett
Hansen, the Stranger
Frank Hagney
Warehouse Truck Loader
Edward Hearn
Patrol Cop
John Holland
Grinson - Foreign Agent
Reed Howes
Policeman at Breedon's House
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
Frank O'Connor
Police Patrolman
Pat O'Malley
Editor Gunnigan
Nestor Paiva
Rufus - Henchman in Hawaii
Eddie Parker
Henchman with Dolan
Jack Perrin
Gunner - Army Deserter
Jason Robards Sr.
Foley's Bodyguard
Walter Sande
Thug Boss at Gold Star Warehouse
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
Louise Currie
Bordine's Girlfriend