De pracht van het landgoed Moonacre wordt overschaduwd door herinneringen aan de Maanprinses en het mysterieuze witte paardje. Tot haar verrassing ontdekt Maria Merryweather, een vreemdelinge in het Kasteel van Moonacre, dat wat er al die jaren geleden met de Maanprinses gebeurd is, ook met haar te maken heeft. Ze is vastbesloten vrede en geluk terug te brengen in de vallei. En Maria krijgt meestal haar zin.
Nee, helaas is De maanprinses en het geheim van het witte paard nog niet beschikbaar op Netflix in Nederland.
| Directing | Gábor Csupó | Director |
| Writing | Lucy Shuttleworth | Screenplay |
| Writing | Graham Alborough | Screenplay |
| Art | Sophie Becher | Production Design |
| Production | Lucy Shuttleworth | Associate Producer |
| Production | Samuel Hadida | Producer |
| Production | Simon Crowe | Executive Producer |
| Production | Jennifer Smith | Executive Producer |
| Production | Péter Miskolczi | Co-Producer |
| Production | Alex Marshall | Executive Producer |
| Production | Michael Cowan | Producer |
| Production | Gábor Váradi | Co-Producer |
| Production | Brian Donovan | Line Producer |
| Production | Jason Piette | Producer |
| Production | Monica Penders | Producer |
| Production | David Brown | Executive Producer |
| Production | Victor Hadida | Executive Producer |
| Production | Meredith Garlick | Producer |
| Production | Kaspar Strandskov | Executive Producer |
| Production | Matthew Joynes | Executive Producer |
| Production | Jim Davey | Associate Producer |
| Production | Simon Fawcett | Executive Producer |
| Production | Celestia Fox | Casting |
| Camera | David Eggby | Director of Photography |
| Sound | Christian Henson | Original Music Composer |
| Writing | Elizabeth Goudge | Book |
| Directing | Caroline Sax | Script Supervisor |
| Art | Mónika Esztán | Art Direction |
| Art | Gary Jopling | Art Direction |
| Art | Gabriella Simon | Art Direction |
| Art | Zoltán Horváth | Set Decoration |
| Art | Kay McGlone | Set Decoration |
| Costume & Make-Up | Beatrix Aruna Pasztor | Costume Design |
| Costume & Make-Up | Lynda Armstrong | Makeup Artist |
| Costume & Make-Up | Amy Byrne | Makeup Artist |
| Costume & Make-Up | Nana Fischer | Hairstylist |
| Editing | Julian Rodd | Editor |
| Sound | Peter Gleaves | ADR Mixer |
| Sound | Ruth Sullivan | Foley Artist |
