Girl Happy

Elvis Presley

Rusty Wells

Shelley Fabares

Valerie

Harold J. Stone

Big Frank

Gary Crosby

Andy

Joby Baker

Wilbur

Nita Talbot

Sunny Daze

Mary Ann Mobley

Deena

Fabrizio Mioni

Romano

Jimmy Hawkins

Doc

Jackie Coogan

Sgt. Benson

Peter Brooks

Brentwood Von Durgenfeld

John Fiedler

Mr. Penchill

Chris Noel

Betsy

Lyn Edgington

Laurie

Gail Gilmore

Nancy

Pamela Curran

Bobbie

Rusty Allen

Linda

Beverly Adams

Girl #2 (uncredited)

Tommy Farrell

Louie (uncredited)

Dan Haggerty

Charlie (uncredited)