The trio happen on a dome (after Garths crossbow is stolen) inhabited by people ruled by fear via electronic brain implants.
John Meredyth Lucas
Writer
Joseph L. Scanlan
Director
Keir Dullea
Devon
Robin Ward
Garth
Gay Rowan
Rachel
William Osler
Mu Lambda 165 (aka: Host Computer)
Donnelly Rhodes
Roloff
Patricia Collins
Serina
Leo Leydon
Brant
Dino Narizzano
Dumal
Jeff Toner
Jardy