Buster Crabbe

Jeff Drake

Lois Hall

Carol Walsh

Tommy Farrell

Kelly Walsh

Gene Roth

Gov. Frederick Whitlock

Tristram 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