 | Philippe Tłokiński als Stan Ulam |
 | Esther Garrel als Francoise |
 | Sam Keeley als Jack Calkin |
 | Joel Basman als Edward Teller |
 | Fabian Kocięcki als John von Neumann |
 | Ryan Gage als Robert Oppenheimer |
 | Sabin Tambrea als Klaus Fuchs |
 | Mateusz Więcławek als Adam Ulam |
 | James Sobol Kelly als Norris Bradbury |
 | Alberto Ruano als Carlos |
| Richard Mason als George Dyson |
 | Camille Moutawakil als Mici Teller |
| Sally Cowdin als Irene |
| Anne-Catrin Märzke als Jacky |
 | Philipp Christopher als Henry Hitchens |
| Lucy Bromilow als Molly |
| Sonia Epstein als Stefania Ulam |
 | Finbar Lynch als G.D. Birkhof |
| Thorsten Klein | Director |
| Thorsten Klein | Writer |
| Antoni Łazarkiewicz | Music |
| Agnieszka Liggett | Editor |
| Matthieu Taponier | Editor |
| Tudor Vladimir Panduru | Director of Photography |
| Simon Baxter | Executive Producer |
| Guido Broscheit | Associate Producer |
| Klaus Dohle | Executive Producer |
| Giles Foreman | Associate Producer |
| Nell Green | Producer |
| Peter Hampden | Executive Producer |
| Arno Hazebroek | Executive Producer |
| Dawid Janicki | Development Producer |
| Evangelo Kioussis | Executive Producer |
| Norman Merry | Executive Producer |
| Maria Magdalena Mitrovski | Associate Producer |
| Tomasz Morawski | Associate Producer |
| Simon Ofenloch | Associate Producer |
| Markus Reinecke | Associate Producer |
| Nicolas D. Sampson | Executive Producer |
| Joanna Szymańska | Producer |
| Lena Vurma | Producer |
| Mary Young Leckie | Executive Producer |
| Paul Zischler | Producer |
| Małgorzata Lipmann | Casting |
| Ewa Hornich | Casting |
| Colin Jones | Casting |
| Florian Kaposi | Production Design |
| Felicity Good | Set Decoration |
| Justyna Stolarz | Costume Design |
| Monique Bredow | Makeup Artist |
| Michael Kapernick | Makeup Artist |
| Anke Thot | Makeup Artist |
| Fabian Diering | Production Manager |
| Bernd Reinink | Unit Manager |
| Kristian Portz | First Assistant Director |
| Janina Isabel Weida | Second Assistant Director |
| Ian Waggott | Foley Artist |
| Richard Lewis | Sound Designer |
| Rory Heffernan | Visual Effects Coordinator |
| Jacqui Marchant-Adams | Visual Effects Coordinator |
| Jeff North | Visual Effects |
| Andy Quinn | Visual Effects Supervisor |
| Alexander Andy | Assistant Camera |
| Boroka Biro | First Assistant Camera |
| Mikołaj Car | Gaffer |
| Val Schubert | Key Grip |
| Paweł Juzwuk | Music Consultant |
| Piotr Komorowski | Musician |
| Richard Lewis | Music Editor |
| Alicja Grawon-Jaksik | Associate Producer |
