In the fourth of the highly successful Frankie and Annette beach party movies, a motorcycle gang led by Eric Von Zipper kidnaps singing star Sugar Kane managed by Bullets, who hires sky-diving surfers Steve and Bonnie from Big Drop for a publicity stunt. With the usual gang of kids and a mermaid named Lorelei.
Frankie Avalon
Annette Funicello
Deborah Walley
Harvey Lembeck
John Ashley
Jody McCrea
Donna Loren
Marta Kristen
Linda Evans
Timothy Carey
Don Rickles
Paul Lynde
Donna Michelle
Michael Nader
Patti Chandler
Buster Keaton
Earl Wilson
Bobbie Shaw Chance
Andy Romano
Allen Fife
Jerry Brutsche
John Macchia
Bob Harvey
Alberta Nelson
Myrna Ross
Ed Garner
Guy Hemric
Duane Ament
Ray Atkinson
Brian Wilson
Mickey Dora
Ned Wynn
Frank Alesia
Phil Henderson
Johnny Fain
Ronnie Dayton
Linda Benson
Mary Hughes
Salli Sachse
Linda Merrill
Luree Holmes
Laura Nicholson
Linda Opie Bent
Chris Cranston
Mary Sturdevant
Judy Lescher
Pat Bryton
Pam Colbert
Dessica Giles
Stephanie Nader
Jo Ann Zerfas