After disappearances during an archelogical dig, Stella Grant (Carole Ann Ford) sends in her two top agents, played by Colin Baker and Wendy Padbury, to investigate.
Colin Baker
as Galico
Wendy Padbury
as Mimi Keel
Carole Ann Ford
as Stella Grant
Marc Danbury
as The Form
Erich Redman
as Ryle
Sara-May Brennan
as Dr. Pauls
Tara-Louise Kaye
as Annie
Steve Dineen
as Dr. Morton
Paul Bryan
as Dr. Marsh
