Robert Cummings

Professor Sutwell

Dorothy Malone

Marianne

Frankie Avalon

Frankie

Annette Funicello

Dolores

Morey Amsterdam

Cappy

Harvey Lembeck

Eric Von Zipper

Eva Six

Ava

John Ashley

Ken

Jody McCrea

Deadhead

Dick Dale

Himself

Andy Romano

J.D.

Alberta Nelson

The Mice

Valora Noland

Rhonda

Delores Wells

Sue

Meredith MacRae

Beach Girl

Luree Holmes

Beach Girl

Michael Nader

Beach Boy

Ed Garner

Surfer

Vincent Price

Big Daddy

Yvette Vickers

Blonde Yoga Girl (uncredited)