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Brian Cox as Edgar Hoover |
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Anthony Higgins as Clyde Tolson |
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Keith Hill as Psychoanalyst |
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Francis Huster as Narrateur |
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Răzvan Hîncu as Agent Fisk |
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Michael J. Reynolds as Joe Kennedy |
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Finlay Robertson as Robert Kennedy |
| Directing | Marc Dugain | Director |
| Costume & Make-Up | Laëtitia Harvey | Costume Design |
| Writing | Marc Dugain | Writer |
| Production | Mathilde Snodgrass | Casting |
| Production | Michel Spavone | Producer |
| Editing | Véronique Lagoarde-Ségot | Editor |
| Sound | Antoine Deflandre | Sound Mixer |
| Sound | Marc Tomasi | Music |
| Costume & Make-Up | Mimi Lempicka | Costume Design |
| Camera | Giovanni Fiore Coltellacci | Director of Photography |
| Production | Fabrice Coat | Producer |
| Art | Laura Russu | Set Decoration |
