Casey Powell is a teenage girl who is secretly suffering from anorexia nervosa, a mental and physical illness of deliberately starving herself or self-inducing vomiting, because of her inability to cope with family stress and because of social pressures.
Unfortunately the movie The Best Little Girl in the World is not yet available on HBO Max.
| Directing | Sam O'Steen | Director |
| Production | Lynn Loring | Producer |
| Writing | David Moessinger | Teleplay |
| Writing | Steven Levenkron | Novel |
| Production | Douglas S. Cramer | Executive Producer |
| Production | Aaron Spelling | Executive Producer |
| Sound | Billy Goldenberg | Music |
| Camera | Michael D. Margulies | Director of Photography |
| Editing | Barbara Dies | Editor |
| Art | Paul Sylos | Art Direction |
| Art | Larry Warwick | Art Direction |
| Art | Norman Rockett | Set Decoration |
| Costume & Make-Up | Nolan Miller | Costume Design |
