Warren Hull

as Jimmy

as Jim Travers

as Bob Penyon

as Officer Tom Brady

as Frank Rogers

as Bill Shipley

as Bill Carver

as John Randolph

as Henry Tuttle

as Tom Stewart

as Terry Brewer

as Commander Milburn

as Britt Reid / Green Hornet

as Joe Larson

as John 'Jimmy' Smith

as Mandrake the Magician

as Robert Mitchell

as The Spider / Richard Wentworth / Blinky McQuade

as Steven Ward

as Bob Wilson

as Barton 'Bart' Kingdon

as Dr. Robert Benson

as Jerry Wayne

as Phil Dunlap

as Constable Kelly

as Richard Kennedy

as Bob McKay

as Sergeant Tom Foster

as The Spider / Richard Wentworth / Blinky McQuade

as Ken Mitchell

as Donald Gregory

as Bill MacGregor

as Mandrake the Magician

as Tom Manners

as Dr. Douglas Bruce

as The Spider / Richard Wentworth / Blinky McQuade