It is 1943 in Paris. Like so many others, the Bourbelle family's home has been taken over by the Germans and they now live in their cellar. Little do they know that the son, Guy-Hubert Bourdelle, is far from being the cowardly hairdresser he pretends. He is in truth the Germans’ most feared opponent: le super-résistant!
Unfortunately the movie Gramps Is in the Resistance is not yet available on Disney Plus.
| Directing | Jean-Marie Poiré | Director |
| Sound | Gérard Lamps | Sound Engineer |
| Sound | Stephane Van den Bergh | Boom Operator |
| Costume & Make-Up | Jean-Luc Russier | Key Makeup Artist |
| Editing | François Gédigier | Editor |
| Production | Sylvie François | Accountant |
| Production | Jean-Claude Landon | Production Driver |
| Art | André Labussière | Set Decoration |
| Sound | Francis Day | Music Editor |
| Art | Michele Triandafyllo | Assistant Decorator |
| Camera | Muriel Edelstein | Second Assistant Camera |
| Production | Chantal Malrat | Administration |
| Costume & Make-Up | Herzl Nativ | Makeup Artist |
| Production | Alain Guyard | Location Manager |
| Crew | Paul Trielli | Special Effects |
| Production | Bernard Vaillant | General Manager |
| Crew | Daniele Fauveau | Assistant Script |
| Camera | Irène Champendal | Second Assistant Camera |
| Art | Roger Fresca | Other |
| Production | Françoise Menidrey | Casting Director |
| Crew | Roland Neunrheuter | Stunts |
| Crew | Guy Trielli | Special Effects |
| Sound | Gilbert Crozet | Sound Post Supervisor |
| Directing | Robin Katz | First Assistant Director |
| Directing | Philippe Berger | Second Assistant Director |
| Costume & Make-Up | Paul Lemarinel | Key Makeup Artist |
| Costume & Make-Up | Anne-Marie Dréan | Dresser |
| Costume & Make-Up | Fanny Jakubowicz | Dresser |
| Costume & Make-Up | Jacques Giraudeau | Hair Department Head |
| Art | Pierre Biet | Set Decoration |
| Editing | Annick Menier | Editor |
| Directing | Catherine Dailleux | Second Assistant Director |
| Costume & Make-Up | Catherine Leterrier | Costume Designer |
| Editing | Laurence Leininger | Editor |
| Crew | Daniel Perche | Stunts |
| Camera | Dominique Le Strat | Set Photographer |
| Art | Marc Frédérix | Assistant Decorator |
| Production | Sissi Manciet | Production Secretary |
| Costume & Make-Up | Christiane Fatabene | Dresser |
| Costume & Make-Up | Lucien Henry | Hairdresser |
| Crew | Laurence Matalon | Translator |
| Crew | Jeanne Hemmer | Stunt Double |
| Directing | Philippe Besnier | First Assistant Director (Prep) |
| Sound | Jean-Claude Laureux | Sound Engineer |
| Art | Yves Seigneuret | Set Propsman |
| Crew | Hervé Lelièvre | Special Effects |
| Lighting | Robert Beulens | Gaffer |
| Camera | Florent Bazin | First Assistant "B" Camera |
| Sound | Philippe Lioret | Sound Engineer |
| Production | France Arnaud | Casting |
| Sound | Jean-Pierre Lelong | Sound Designer |
| Editing | Stéphane Dordoigne | Assistant Editor |
| Editing | Jessica Barzaghi | Assistant Editor |
| Crew | Bénédicte Lebert | Editorial Staff |
| Crew | Marcle Lesourd | Animal Wrangler |
| Sound | Anne Edgard-Rosa | Sound Editor |
| Camera | Tessa Racine | First Assistant "B" Camera |
| Costume & Make-Up | Dominique Bailly | Dresser |
| Sound | Jean Musy | Original Music Composer |
| Sound | Jean Goudier | Sound Editor |
| Crew | Daniel Vérité | Stunts |
| Camera | Jean-Yves Escoffier | "B" Camera Operator |
| Lighting | Dominique Dehoua | Gaffer |
| Crew | Dominique Lesourd | Animal Wrangler |
| Editing | Marie-José Di Tullio | Editorial Manager |
| Camera | Claude Sichère | Key Grip |
| Lighting | Guy Savidan | Electrician |
| Camera | Pierre Vespier | Key Grip |
| Costume & Make-Up | Yvette Giraudeau | Hairdresser |
| Camera | André Bouladoux | Key Grip |
| Crew | Patrick Cauderlier | Stunts |
| Sound | Jean Musy | Conductor |
| Directing | Sylvette Baudrot | Script Supervisor |
| Writing | Jean-Marie Poiré | Writer |
| Writing | Christian Clavier | Writer |
| Writing | Martin Lamotte | Writer |
| Writing | Christian Clavier | Theatre Play |
| Writing | Martin Lamotte | Theatre Play |
