The Invisible Enemy (2)
Show: Doctor Who --> Season: 15 - Season 15
AirDate: 10/8/1977
Runtime: 25
Voting: 6.2 (4)

Overview: Leela and Lowe take the Doctor to the Bi-Al Foundation for help. But how can they cure an infection of the mind?
Michael Sheard
Lowe
Brian Grellis
Safran
Frederick Jaeger
Professor Marius
Roy Herrick
Parsons
Elizabeth Norman
Marius' Nurse
Nell Curran
Reception Nurse
Jim McManus
Opthalmologist
Roderick Smith
Cruikshank
Kenneth Waller
Hedges