|Tommy Kirk||Go Go|
|Elsa Lanchester||Aunt Wendy|
|Harvey Lembeck||Eric Von Zipper|
|Jesse White||J. Sinister Hulk|
|Jody McCrea||Big Lunk|
|Buster Keaton||Chief Rotten Eagle|
|Dorothy Lamour||Head Saleslady|
Gogo is a teenager from Mars sent to Earth to pave the way for an invasion. Upon landing, the bewildered visitor becomes besotted by a chipper beach town. Gogo befriends a kindhearted widow and shop owner named Aunt Wendy, whose fortune is coveted by the aptly named Chief Rotten Eagle . After she has dressed him in some sharp surf attire, Gogo takes to the beach, where he soon falls for a beautiful local .