Een betoverend making-of-verhaal verteld door middel van geheel nieuwe diepte-interviews en castgesprekken, waarbij fans worden uitgenodigd op een magische first-person reis door een van de meest geliefde filmfranchises aller tijden.
Nee, helaas is Harry Potter 20e Verjaardag: Keert terug naar Zweinstein nog niet beschikbaar op Netflix in Nederland.
| Production | Casey Patterson | Executive Producer |
| Directing | Joe Pearlman | Director |
| Production | Ashley Edens | Executive Producer |
| Production | Carol Donovan | Executive Producer |
| Production | Marisa Clifford | Executive Producer |
| Production | Sam Bridger | Executive Producer |
| Production | Isabel Davis | Executive Producer |
| Production | David Heyman | Executive Producer |
| Production | Mike Darnell | Producer |
| Production | Brooke Karzen | Producer |
| Production | Dan Sacks | Producer |
| Sound | Charlie Mole | Original Music Composer |
| Camera | Edgar Dubrovsky | Director of Photography |
| Camera | Simon Fanthorpe | Director of Photography |
| Camera | Seb Feehan | Director of Photography |
| Camera | Ahmet Husseyin | Director of Photography |
| Camera | Aman K. Sahota | Director of Photography |
| Camera | Geoffrey Sentamu | Director of Photography |
| Camera | Ed Wild | Director of Photography |
| Directing | Casey Patterson | Director |
| Directing | Eran Creevy | Director |
| Directing | Giorgio Testi | Director |
| Sound | Steve Sidwell | Music Director |
| Crew | Ashley Wallen | Choreographer |
