A Martian teenager sent to prepare for an invasion falls in love with an Earth girl.
Tommy Kirk
Go Go
Annette Funicello
Connie
Elsa Lanchester
Aunt Wendy
Harvey Lembeck
Eric Von Zipper
Jesse White
J. Sinister Hulk
Jody McCrea
Big Lunk
Ben Lessy
Fleegle
Donna Loren
Vikki
Susan Hart
Jilda
Bobbie Shaw Chance
Helga
