Buster Crabbe
Jeff Drake
Lois Hall
Carol Walsh
Tommy Farrell
Kelly Walsh
Gene Roth
Gov. Frederick Whitlock
Tris Coffin
Walter Castell
Neyle Morrow
Kalana
Stanley Price
Lamar - Whitlock's Aide
Hugh Prosser
Roper - Jeff's First Mate [Chs.1-2, 5-8]
Symona Boniface
Lotus Lady
William Fawcett
Ben Wharton [Chs.7-9]
Terry Frost
Carter - Patrol 6 Henchman
Lee Roberts
Barker - Phantom Cruiser Henchman [Chs.1-4]
Rusty Wescoatt
Adams - Phantom Cruiser Henchman
Pierce Lyden
Durk - Patrol 6 Henchman
I. Stanford Jolley
Turner - Trader [Ch.1]
Marshall Reed
Shark Wilson - Phantom Cruiser Captain