Director/a
Joseph Barbera
DIRECTOR/A
William Hanna
Escritor/a
Walter Bloch
ESCRITOR/A
William Hamilton
Joe Ruby
Ken Spears
Alex Toth
Reparto (por orden de créditos)
Don Messick
Blip
Ginny Tyler
Jan
Gary Owens
Narrator
Tim Matheson
Jace
Mike Road
Ugh
John David Carson
Todd
Ted Cassidy
Metallus
Vic Perrin
Creature King
Alan Reed
Glasstor
Keye Luke
Brak
Barney Phillips
Shazzan
Paul Stewart
Mightor
Janet Waldo
Nancy
Bobby Diamond
Tor
Ted Eccles
Dorno
Jerry Dexter
Chuck
Barry Balkin
Tub
Robert Resnick
Tom
Paul Frees
Brago (uncredited)
Lucille Bliss
Utan (uncredited)
