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

James Blaine

Jason Eldridge

Al Bridge

Ship's Captain

Ralph Brooks

Cain's Assistant

William P. Carleton

Gloria's Father

Lane Chandler

Cop Car-Chasing Foranti