On screen
Cast
22 credited performers
Marshall Thompson
Dr. Marsh Tracy
Hari Rhodes
Mike Makula
Yale Summers
Jack Dane
Ross Hagen
Bart Jason
Hedley Mattingly
District Officer Hedley
Cheryl Miller
Paula Tracy
Erin Moran
Jenny Jones
Rex Ingram
Natoma
Kenneth Tobey
Col. Simon Tredwell
Artwork unavailable
Joan Anderson
June Pierce
Alan Napier
Roger Ealing
John McLiam
Sean Murphy
Michael St. Clair
Garth
Harold Gould
Dr. De Long
Artwork unavailable
Linden Chiles
Nicky Sebastian
John Cliff
Kessler
Louis Gossett Jr.
Mkono
Gil Lamb
Professor Walpole
Marian McCargo
Dr. Teresa Warren
Peter Brocco
Dr. Gene Barr
Raymond St. Jacques
Emir of Asambana
Troy Melton
Keith Randall (uncredited)