March 20, 1965
2h 30m
EN
Richard Martin
On the planet Vortis, the Doctor and his companions aid the butterfly-like Menoptra in their battle against the parasitic Animus and its mind-controlled minions, the ant-like Zarbi.
William Hartnell
The Doctor
Jacqueline Hill
Barbara Wright
William Russell
Ian Chesterton
Maureen O'Brien
Vicki
Bill Strutton
7
Catherine Fleming
Animus (voice)
Roslyn de Winter
Vrestin
Arne Gordon
Hrostar
Arthur Blake
Hrhoonda
Jolyon Booth
Hlynia
Jocelyn Birdsall
Hlynia
BBC
GB
