Doctor Who The Invisible Enemy: Part Four (Season 15, Episode 8)
TV-G
TV Episode | 21 min | Adventure, Drama, Family

Primary photo for The Invisible Enemy: Part Four

Doctor Who

The Invisible Enemy: Part Four (Season 15, Episode 8)

TV-G

TV Episode | 21 min | Adventure, Drama, Family

In trying to retrieve the clones from inside the Doctor, the alien virus is brought from the microbial world into the macro-world, and it's ready to spawn.

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 (31)

Edit Released

Updated Oct 22, 1977

Release date

Oct 22, 1977 (United Kingdom)

Awards

Series awards

5 wins & 2 nominations

Contacts

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Cast	+ Add Cast
12 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)
Brian Grellis Safran Safran See fewer	Doctor Who (1963)
Jim McManus Opthalmologist Opthalmologist See fewer	Pride (I) (2014)
John Leeson Nucleus Voice / K9 Voice (voice) Nucleus Voice / K9 Voice (voice) See fewer	Doctor Who (1963)
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)