Twee ouder wordende actrices leven inmiddels als kluizenaars in een oud tehuis in Hollywood. Jane Hudson, een succesvol kindsterretje, zorgt voor haar oudere en gehandicapte zuster Blanche, wiens carrière in latere jaren dat van Jane overvleugelde.
Nee, helaas is What Ever Happened to Baby Jane? nog niet beschikbaar op Netflix in Nederland.
| Directing | Robert Aldrich | Director |
| Writing | Henry Farrell | Novel |
| Writing | Lukas Heller | Screenplay |
| Production | Robert Aldrich | Producer |
| Production | Kenneth Hyman | Executive Producer |
| Sound | Frank De Vol | Original Music Composer |
| Camera | Ernest Haller | Director of Photography |
| Editing | Michael Luciano | Editor |
| Art | William Glasgow | Art Direction |
| Art | George Sawley | Set Decoration |
| Production | Jack R. Berne | Production Supervisor |
| Directing | Tom Connors Jr. | Assistant Director |
| Sound | Harold E. McGhan | Sound Editor |
| Camera | Till A. Gabbani | Camera Operator |
| Sound | George E. Marsh | Music Editor |
| Directing | Robert Gary | Script Supervisor |
| Crew | Alex Romero | Choreographer |
| Art | John Orlando | Property Master |
| Costume & Make-Up | Norma Koch | Wardrobe Designer |
| Sound | Jack Solomon | Sound |
| Production | Walter Blake | Producer's Assistant |
