* Pat Boone as Wayne Patten
* Ann-Margret as Margy Frake
* Bobby Darin as Chuck, a carnival worker
* Alice Faye as Melissa Frake
* Tom Drake as Abel Frake
* Dana Andrews as Jared Drake
* Hermione Gingold as Miss Emily
* Edward Andrews as Mr. Henderson
* Dick Van Dyke as Gus
* Sheree North as Vivian (the "carnival girl" with the dancing partner)
This list includes the main actors and actresses in the film. There are other smaller roles in the movie, too.