STORY
Loopy unknowingly befriends a scientist who turns into a monster on and off without Loopy knowing that the monster is really him.
CAST & CREW
- Daws Butler
- Hal Smith
- Don Messick
Cast
- William Hanna
Director
INFORMATION
- Hanna-Barbera Productions
Production Companies
- United States of America
Production Countries
LANGUAGES
- English
