On screen
Cast
72 credited performers
Jared Martin
Varian
Ike Eisenmann
Scott Jordan
Carl Franklin
Dr. Fred Walters
Katie Saylor
Liana
Mike Road
The Source (voice)
Roddy McDowall
Dr. Jonathan Willaway
Jason Evers
Atar
Lynn Borden
Enid Jordan
Mary Ann Mobley
Rhea
Gary Collins
Dar-L
Christina Hart
Gwenith
Morgan Paull
Argon
Jeffrey Byron
Heras
Paul Mantee
Morgan
Mary Frann
Roxanne
Lew Ayres
Rayat
Brian Patrick Clarke
Daniel
Julie Cobb
Adrea
Artwork unavailable
Marj Dusay
Rachel
Mel Ferrer
Appolonius
Richard Jaeckel
York
Ellen Weston
Marra
Scott Brady
Carl Johanson
Beverly Todd
Connell
Crofton Hardester
Michael
Belinda Balaski
Aria
Cheryl Ladd
Natica
Richard Lawson
Barker
Joan Collins
Queen Halyana
Ian McShane
Sir James Camden
Nicholas Hammond
Tye
Jonathan Goldsmith
Zaros
Artwork unavailable
Jim Poyner
Roland
Leif Erickson
Ben Wallace
Susan Howard
Eve Costigan
A. Michael Baldwin
Rito
Byron Chung
George
Don Knight
Paget
Artwork unavailable
Tom McCorrey
Scar
Artwork unavailable
Karen Somerville
Jill Sands
Jack Stauffer
Andy
Artwork unavailable
Scott Thomas
Professor Paul Jordan
Don Adams
Airport Announcer (voice)
Artwork unavailable
Lawrence Bame
Maron
Artwork unavailable
Albert Stratton
IL-tar
Artwork unavailable
Ian John Tanza
Under
John David Carson
Cyrus
Frank Corsentino
Tenn
Artwork unavailable
Joseph Della Sorte
Aren
Artwork unavailable
Bud Kenneally
Veteran
Artwork unavailable
Lester Fletcher
Chef
Artwork unavailable
Al Eisenmann
Omega
Mark Lambert
Alpha
Stanley Bennett Clay
Beta
Artwork unavailable
Cosie Costa
Delta
Artwork unavailable
Riccardo Natoli
Gamma
Artwork unavailable
Bobby Eilbacher
Sigma
John Saxon
Consul Tarant
Robert Patten
Luther
Lenore Stevens
Lara
Johnny Doran
Nikki
Artwork unavailable
Bobby Porter
The Neffring
Victor Mohica
Baras
Artwork unavailable
Jerry Daniels
Guard
Dale Robinette
Kedryn
Artwork unavailable
Dax Xanos
The Rider
Carole Demas
Krysta
William O'Connell
Simkin
Artwork unavailable
Amy Joyce
Masel
Charles Walker
Obril
Gerald McRaney
Co-Pilot
Burt Douglas
Pilot