Robert Cummings

Character: Professor Sutwell

Dorothy Malone

Character: Marianne

Frankie Avalon

Character: Frankie

Annette Funicello

Character: Dolores

Morey Amsterdam

Character: Cappy

Harvey Lembeck

Character: Eric Von Zipper

Eva Six

Character: Ava

John Ashley

Character: Ken

Jody McCrea

Character: Deadhead

Dick Dale

Character: Himself

Andy Romano

Character: J.D.

Jerry Brutsche

Character: The Ratz

Bob Harvey

Character: The Ratz

John Macchia

Character: The Ratz

Alberta Nelson

Character: The Mice

Linda Rogers

Character: The Mice

David Landfield

Character: Ed

Valora Noland

Character: Rhonda

Bob Payne

Character: Tom

Pam Colbert

Character: Surfer

Delores Wells

Character: Sue

Johnny Fain

Character: Surfer

Meredith MacRae

Character: Beach Girl

John Beach

Character: Beach Boy

Lorrie Summers

Character: Beach Girl

Roger Bacon

Character: Tour Guide

Luree Holmes

Character: Beach Girl

Michael Nader

Character: Beach Boy

Laura Nicholson

Character: Beach Girl

Mickey Dora

Character: Beach Boy

Donna Russell

Character: Surfer

Ed Garner

Character: Surfer

Candy Johnson

Character: Perpetual Motion Dancer

Vincent Price

Character: Big Daddy

Duane Ament

Character: Big Boy (uncredited)

Marlo Baers

Character: Beach Girl (uncredited)

Brent Battin

Character: Beach Boy (uncredited)

Roger Christian

Character: Beach Boy (uncredited)

Ashlyn Martin

Character: Surfer (uncredited)

Bill Parker

Character: Beach Boy (uncredited)

Bill Slosky

Character: Beach Boy (uncredited)

Gary Usher

Character: Beach Boy (uncredited)

Yvette Vickers

Character: Blonde Yoga Girl (uncredited)

Susan Yardley

Character: Surfer (uncredited)

Carey Foster

Character: Beach Girl (uncredited)