Doctor Who The Invisible Enemy: Part Three (Season 15, Episode 7)
TV-G
TV Episode | 23 min | Adventure, Drama, Family

Primary photo for The Invisible Enemy: Part Three

Doctor Who

The Invisible Enemy: Part Three (Season 15, Episode 7)

TV-G

TV Episode | 23 min | Adventure, Drama, Family

The medical center mounts a defense against alien forces trying to take the comatose Doctor while clones of Leela and the Doctor go microscopic so they can hunt down the intelligent infection that's in his head.

Director

Derrick Goodwin (directed by)

Writers

Bob Baker (by) | Dave Martin (by)

Producer

Graham Williams

Composer

Dudley Simpson

Production Designer

Barry Newbery

See all filmmakers & crew (30)

Edit Released

Updated Oct 15, 1977

Release date

Oct 15, 1977 (United Kingdom)

Awards

Series awards

5 wins & 2 nominations

Contacts

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Cast	+ Add Cast
14 cast members

Name	Known for
Tom Baker Doctor Who Doctor Who See fewer	Doctor Who (1963)
Louise Jameson Leela Leela See fewer	Doctor Who (1963)
Frederick Jaeger Professor Marius Professor Marius See fewer	Department S (1969)
Michael Sheard Lowe Lowe See fewer	Star Wars: Episode V - The Empire Strikes Back (1980)
John Leeson Nucleus Voice / K9 Voice (voice) Nucleus Voice / K9 Voice (voice) See fewer	Doctor Who (1963)
Roy Herrick Parsons Parsons See fewer	Survivors (1975)
Elizabeth Norman Marius' Nurse Marius' Nurse See fewer	Charlie's Angels (1976)
Jim McManus Opthalmologist Opthalmologist See fewer	Pride (I) (2014)
Roderick Smith Cruikshank Cruikshank See fewer	Dangerfield (1995)
Pat Gorman A Medic A Medic See fewer	The Elephant Man (1980)
John Scott Martin Nucleus (as John Scott-Martin) Nucleus (as John Scott-Martin) See fewer	Little Shop of Horrors (1986)
Leslie Bates Bi-Al Member (uncredited) Bi-Al Member (uncredited) See fewer	Doctor Who (1963)
Derek Hunt Bi-Al Member (uncredited) Bi-Al Member (uncredited) See fewer	Parbottle Speaking (1962)
Ken Sedd Bi-Al Member (uncredited) Bi-Al Member (uncredited) See fewer	Softly Softly (1966)