Director/a
Joseph Barbera
DIRECTOR/A
William Hanna
Reparto (por orden de créditos)
Ted Cassidy
Frankenstein, Jr.
Don Messick
Multi-Man
Hal Smith
Coil-Man
Dick Beals
Buzz Conroy
John Stephenson
Professor Conroy
Paul Frees
Fluid-Man
Paul Winchell
Aquator
Allan Melvin
The Burrower
Keye Luke
Timeatron
June Foray
Mother Gruesome
Alan Reed
Smogula
Lennie Weinrib
Sculptor
Regis Cordic
Bizarre Batter