Director
Joseph Barbera
DIRECTOR
William Hanna
Writer
Jack Kirby
WRITER
Stan Lee
Phil Hahn
Jack Hanrahan
Stars (in credits order)
Paul Frees
The Thing
Gerald Mohr
Mr. Fantastic
Jack DeLeon
The Human Torch
Jo Ann Pflug
Invisible Girl
Joseph Sirola
Doctor Doom
Marvin Miller
Gamma Ray
Hal Smith
Klaw
Don Messick
Kurrgo
Regis Cordic
Diablo
Charles Spidar
Citizen
Vic Perrin
Doctor Kragoff (uncredited)
Henry Corden
Attuma (uncredited)
Mike Road
Additional Voices (uncredited)
Ted Cassidy
Galactus (uncredited)
Janet Waldo
Princess Pearla (uncredited)
Tol Avery
Warlord Morrat (uncredited)
Ginny Tyler
Princess Anelle (uncredited)
Frank Gerstle
Blastaar (uncredited)
