The Alien Within
- Jier: 1990
- Lân: United States of America
- Sjenre: Science Fiction, Horror
- Studio: American Independent Productions
- Keyword: monster, eternal youth, mad doctor, vanity
- Direkteur: Ted Newsom
- Cast: John Henry Richardson, Suzanne Ager, Richard Harrison, Melissa Moore, Gordon Mitchell, Forrest J. Ackerman