Calificación
Reparto
Ralph Byrd
Greg Sanders / The Vigilante
Ramsay Ames
Betty Winslow
Lyle Talbot
George Pierce
George Offerman, Jr.
Stuff
Robert Barron
Prince Hamil
Hugh Prosser
Police Capt. Reilly
Jack Ingram
Silver / X-2
Eddie Parker
Doc / X-3
Tiny Brauer
Thorne, a.k.a. X-9 [Chs.9-11,14-15] (as Bill Brauer)