Sandra Dee

Gidget

James Darren

Moondoggie

Cliff Robertson

The Big Kahuna

Arthur O'Connell

Russell Lawrence

Mary LaRoche

Mrs. Dorothy Lawrence

Joby Baker

Stinky

Tom Laughlin

Lover Boy

Sue George

Betty Louise aka B.L.

Robert Ellis

Hot Shot

Jo Morrow

Mary Lou

Yvonne Craig

Nan

Patti Kane

Patti

Doug McClure

Waikiki

Burt Metcalfe

Lord Byron

Dick Clark

Himself - Trailer Host (uncredited)