With nuclear war looming, a military expert in underwater acoustics strives to prove things aren't as they seem—or sound—using only his ears.
| Production | Jérôme Seydoux | Producer |
| Directing | Antonin Baudry | Director |
| Writing | Antonin Baudry | Writer |
| Production | Alain Attal | Producer |
| Camera | Pierre Cottereau | Director of Photography |
| Editing | Nassim Gordji-Tehrani | Editor |
| Editing | Saar Klein | Editor |
| Sound | Nicolas Cantin | Sound |
| Sound | Raphaël Mouterde | Sound |
| Sound | Thomas Desjonquères | Sound |
| Sound | tomandandy | Original Music Composer |
| Art | Christophe Couzon | Art Direction |
| Art | Benoît Barouh | Production Design |
| Art | Muriel Chinal | Set Decoration |
| Costume & Make-Up | Mimi Lempicka | Costume Designer |
| Costume & Make-Up | Judy Shrewsbury | Co-Costume Designer |
| Costume & Make-Up | Nelly Robin | Key Makeup Artist |
| Costume & Make-Up | Fanny Fallourd | Makeup Artist |
| Production | Pierre-Jacques Bénichou | Casting |
| Art | Adrien Ernandez | Assistant Art Director |
| Art | Katia Espiand | Assistant Art Director |
| Art | Clémence Janesky | Assistant Art Director |
| Art | Julie Plumelle | Assistant Art Director |
| Art | Simon Witte | Assistant Art Director |
| Crew | Luc Poullain | Aerial Coordinator |
| Lighting | Maxime Guibert | Best Boy Electric |
| Camera | Joseph Emiélot | Best Boy Grip |
| Camera | Julien Bureau | Camera Operator |
| Camera | Steven Desbrow | Camera Operator |
| Camera | Jean Legrand | First Assistant Camera |
| Camera | Olivier Leblanc | First Assistant Camera |
| Lighting | Olivier Pilorget | Gaffer |
| Camera | Erwan Becquelin | Key Grip |
| Camera | Bart de Haan | Russian Arm Operator |
| Camera | Louise Blum | Second Assistant Camera |
| Camera | Julien Panié | Still Photographer |
| Camera | Sophie Patalano | Third Assistant Camera |
| Camera | Jacques Ballard | Underwater Camera |
| Costume & Make-Up | Anaïs Guglielmetti | Costume Assistant |
| Costume & Make-Up | Perrine Ritter | Costume Assistant |
| Costume & Make-Up | Camille Janbon | Costume Supervisor |
| Directing | Olivia Bruynoghe | Script Supervisor |
| Crew | Marc Leroyer | Armorer |
| Crew | Christophe Maratier | Supervising Armorer |
| Sound | Jonathon Stevens | Music Editor |
| Sound | Elise Luguern | Music Supervisor |
| Sound | Pierre-Marie Dru | Music Supervisor |
| Editing | Adrien Fonda | Assistant Editor |
| Editing | Anaïs Manuelli | Assistant Editor |
| Editing | Nicolas Pangos | Assistant Editor |
| Editing | Léa Lagréou | First Assistant Editor |
| Visual Effects | Christ Ohoueu | Visual Effects Coordinator |
| Visual Effects | Julien Cimino | Visual Effects Producer |
| Visual Effects | Philippe Lépine | Visual Effects Producer |
| Visual Effects | Justine Paynat-Sautivet | Visual Effects Producer |
| Visual Effects | Pierre Buffin | Visual Effects Supervisor |
| Visual Effects | Julien Mercier | Visual Effects Supervisor |
| Visual Effects | Geoffrey Niquet | Visual Effects Supervisor |
| Visual Effects | Georges Demétrau | Special Effects Supervisor |
| Crew | Sara Helmlinger | Special Effects Technician |
| Crew | Charles-Axel Vollard | Special Effects Technician |
| Production | Erwan Dujardin | Casting Associate |
| Production | Alexis Vesigot-Wahl | Extras Casting |
| Production | Franck Jouard | Extras Casting |
| Production | Léa Coquin | Extras Casting |
| Sound | Baptiste Kleitz | Boom Operator |
| Sound | Damien Luquet | Boom Operator |
| Sound | Olivier Goinard | Dialogue Editor |
| Sound | Florent Denizot | Dolby Consultant |
| Sound | Dominique Schmit | Dolby Consultant |
| Sound | Chris Frazier | First Assistant Sound Editor |
| Sound | Ronni Brown | Foley Artist |
| Sound | Andrea Gard | Foley Artist |
| Sound | Kimberly Patrick | Foley Artist |
| Sound | E. Larry Oatfield | Foley Editor |
| Sound | Shaun Farley | Foley Editor |
| Sound | Frank Rinella | Foley Mixer |
| Sound | Juliette Heintz | Sound Editor |
| Sound | Guillaume D'Ham | Sound Effects Editor |
| Sound | Luke Dunn Gielmuda | Sound Effects Editor |
| Sound | Frank E. Eulner | Sound Effects Editor |
| Sound | Scott Guitteau | Sound Effects Editor |
| Sound | Nicolas Cantin | Sound Mixer |
| Sound | Vincent Cosson | Sound Re-Recording Mixer |
| Sound | Pete Horner | Sound Re-Recording Mixer |
| Sound | Juan Peralta | Sound Re-Recording Mixer |
| Sound | Randy Thom | Sound Designer |
| Sound | Randy Thom | Supervising Sound Editor |
| Sound | Leff Lefferts | Supervising Sound Editor |
| Art | Frédéric Martin | Construction Coordinator |
| Art | Teddy Barouh | Graphic Designer |
| Art | Marine Gatellier | Set Designer |
| Art | Gaël Langlais | Swing |
| Crew | Pascal Guégan | Stunt Coordinator |
| Crew | Philippe Guégan | Stunt Coordinator |
| Directing | Thierry Verrier | First Assistant Director |
| Production | Audrey Mery | Production Coordinator |
| Costume & Make-Up | Marta Rossi | Costumer |
| Production | Hugo Sélignac | Co-Producer |
| Production | Ardavan Safaee | Producer |
