 Bette DavisBaby Jane Hudson | Baby Jane Hudson |
 Joan CrawfordBlanche Hudson | Blanche Hudson |
 Victor BuonoEdwin Flagg | Edwin Flagg |
 Wesley AddyMarty McDonald | Marty McDonald |
 Julie AllredYoung Baby Jane Hudson | Young Baby Jane Hudson |
| AAnne BartonCora Hudson | Cora Hudson |
 Marjorie BennettDehlia Flagg | Dehlia Flagg |
 Bert FreedBen Golden | Ben Golden |
 Anna LeeMrs. Bates | Mrs. Bates |
 Maidie NormanElvira Stitt | Elvira Stitt |
 Dave WillockRay Hudson | Ray Hudson |
| WWilliam AldrichLunch Counter Assistant at Beach | Lunch Counter Assistant at Beach |
 Ernest AndersonErnie | Ernie |
 Russ ConwayPolice Officer | Police Officer |
 Maxine CooperBank Teller | Bank Teller |
 Robert CornthwaiteDr. Shelby | Dr. Shelby |
 Michael FoxMan in Television Commercial | Man in Television Commercial |
 Gina GillespieYoung Blanche Hudson | Young Blanche Hudson |
 Barbara MerrillLiza Bates | Liza Bates |
 Don RossPolice Officer | Police Officer |
 James SeayPolice Officer | Police Officer |
| JJohn ShayPolice Officer | Police Officer |
 Jon ShepoddPolice Officer | Police Officer |
| PPeter VirgoPolice Officer | Police Officer |
 Bobs WatsonClerk in Newspaper Department | Clerk in Newspaper Department |
| DDebbie BurtonSinger (voice) | Singer (voice) |
 Murray AlperProjectionist (uncredited) | Projectionist (uncredited) |
 Steve ConditBoy in Audience (uncredited) | Boy in Audience (uncredited) |
 Dorothea LordNurse (uncredited) | Nurse (uncredited) |
| NNorman PapsonBeach Boy (uncredited) | Beach Boy (uncredited) |
