What happens when the Gummer Gooseberry Bubble Girl boards a train with the Gummer Gooseberry heir, the president of the company, and a convicted murderer?
| Directing | Tom Beckwith Phillips | Director |
| Writing | Tom Beckwith Phillips | Writer |
| Writing | Claire Potter | Writer |
| Production | Pollyanna Whitman | Producer |
| Production | Megan Wynn | Producer |
| Sound | Christopher O'Young | Music |
| Camera | Federico Alfonzo | Director of Photography |
| Editing | Sakky Barnor | Editor |
| Production | Lucy Amos | Casting |
| Production | Elan Jones | Casting |
| Production | Des Hamilton | Casting |
| Art | Lucie Red | Production Design |
| Costume & Make-Up | Michael Peter Dye | Costume Designer |
| Costume & Make-Up | Sissi Petropoulou | Makeup Artist |
| Directing | Alexander Holt | First Assistant Director |
| Directing | Annabelle Le Gresley | Third Assistant Director |
| Directing | Amir Nazempour | Second Assistant Director |
| Sound | Jake Whitelee | Sound Recordist |
| Visual Effects | Priyanka Balasubramanian | Visual Effects |
| Visual Effects | Serhat Doğan | Visual Effects |
| Visual Effects | Zafer Ercevik | Digital Compositor |
| Visual Effects | Utku Ertin | Visual Effects |
| Visual Effects | Bogi Gulacsi | 3D Artist |
| Visual Effects | Tony Landais | Visual Effects Supervisor |
| Visual Effects | Caglar Ozen | CG Artist |
| Visual Effects | Doruk Sağlam | Visual Effects |
| Visual Effects | Angelika Schierz | Visual Effects Producer |
| Camera | Lara Genovese | Still Photographer |
| Camera | Samuel Hayes | Second Assistant Camera |
| Camera | Tom Walden | Camera Operator |
| Costume & Make-Up | Francesca Sandra Marotta | Wardrobe Assistant |
| Crew | Ita O'Brien | Choreographer |