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The Alien Within (1990)

1990 • 1h 20m • Horror, Science Fiction
IMDb4.1/1032TMDB50%1Rotten Tomatoes—Metacritic—
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On September 25, 2026
#253323▲ 353
253323rd by Pulse movie online
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Most Popular The Alien Within Cast Members

Richard Harrison is the most popular The Alien Within cast member right now, with a Popularity Score of 3.10. Updated September 27, 2026.

#
Cast
Popularity
1

Richard Harrison

Max Adrian/54 years during filming
3.1
2

John Carradine

Dr. Emil Zeitman (archive footage)/83 years during filming
1.8
3

Melissa Moore

Monica Roarke/26 years during filming
1.6
4

John Henry Richardson

Samanski
1.5
5

Gordon Mitchell

Dan Thorn/66 years during filming
1.5
6

Suzanne Ager

Erin West
1.1
7

Dawn Wildsmith

Evelyn Avery (archive footage)/26 years during filming
1.1
8

Forrest J. Ackerman

Pool Guy/73 years during filming
0.9
9

Bobbie Bresee

Lynn Roman (archive footage)
0.9
10

Fox Harris

Harry (archive footage)/53 years during filming
0.8
11

Drew Godderis

Ross Anderson (archive footage)
0.5
12

Crystal Shaw

Secretary
0.4