Roller-derby skater K.C. Carr tries to balance her desire for a happy personal life and her dreams of stardom.
| Actor | Role |
|---|---|
 Raquel WelchK.C. Carr | K.C. Carr |
 Kevin McCarthyBurt Henry | Burt Henry |
 Helena KallianiotesJackie Burdette | Jackie Burdette |
 Norman AldenHorrible Hank Hopkins | Horrible Hank Hopkins |
 Jeanne CooperVivien | Vivien |
 Katherine PassLovey | Lovey |
 Martine BartlettMrs. Carr | Mrs. Carr |
 Cornelia SharpeTammy O'Brien | Tammy O'Brien |
| WWilliam Gray EspyRandy | Randy |
 Richard LaneLen | Len |
 Russ MarinDick Wicks | Dick Wicks |
 Stephen ManleyWalt | Walt |
 Jodie FosterRita | Rita |
| GGeorgia SchmidtOld Woman | Old Woman |
 Shelly NovackFan | Fan |
 Jimmy NickersonFan | Fan |
| JJudy ArnoldGirl in Dressing Room (uncredited) | Girl in Dressing Room (uncredited) |
 Joan DarlingWoman (uncredited) | Woman (uncredited) |
 Bill McKinneyBuddy Taylor (uncredited) | Buddy Taylor (uncredited) |
| JJon Morgan WoodwardConcessionaire (uncredited) | Concessionaire (uncredited) |