Sandra Dee:           Gidget (Frances Lawrence)
James Darren:         Moondoggie (Jeffrey Matthews)                                                       
Cliff Robertson:      Kahoona (Burt Vail)
Arthur O'Connell:     Mr. Russ Lawrence
Mary LaRoche:         Mrs. Dorothy Lawrence
Sue George:           B.L. (Betty Louise)
Robert Ellis:         Hot Shot
Joby Baker:           Stinky
Tom Laughlin:         Lover Boy
Burt Metcalfe:        Lord Byron
Doug McClure:         Waikiki
The Four Preps:       Themselves