Guest Stars Anthony Rogers as Sensorite Gerald Martin as Sensorite Ilona Rodgers as Carol Stephen Dartnell as John Eric Francis as First Elder Peter Glaze as Third Sensorite Arthur Newall as Fourth Sensorite Lorne Cossette as Maitland Bartlett Mullins as Second Elder Ken Tyllssen as 1st Sensorite Joseph Greig as 2nd Sensorite
