 | Alex Zane als Self - Film Journalist |
 | Christopher Nolan als Self - Director / Writer / Producer |
 | Cillian Murphy als Self - J. Robert Oppenheimer |
 | Emily Blunt als Self - Kitty Oppenheimer |
 | Robert Downey Jr. als Self - Lewis Strauss |
 | Florence Pugh als Self - Jean Tatlock |
 | Matt Damon als Self - Leslie Groves Jr. |
| Colin Carvalho Burgess | Producer |
| Danny Tipping | Executive Producer |
| James Newton | Executive Producer |
| Kelly McGee | Production Coordinator |
| Dominic O'Neill | Production Coordinator |
| Emily Caddy | Production Coordinator |
| Vicky Bray | Production Manager |
| Julien Wilcock | Online Editor |
| Julien Wilcock | Color Grading |
