Unico indizio: una sciarpa gialla (1971)
A Parigi un matematico statunitense si dedica completamente agli studi, vivendo assieme alla famiglia, moglie e due figli piccoli. La moglie è in cura presso uno psicanalista e commette varie stranezze. Vengono rapiti i figli della coppia da un'organizzazione che riceveva segreti industriali dal matematico. Il ricatto è la restituzione dei figli se il matematico ritornerà a essere spia.
Direttore: René Clément
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Faye Dunaway as Jill |
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Frank Langella as Philippe |
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Barbara Parkins as Cynthia |
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Karen Blanguernon as Miss Hansen |
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Raymond Gérôme as Commissaire Chameille |
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Maurice Ronet as L'homme de l'organisation |
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Michele Lourie as Cathy |
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Patrick Vincent as Patrick |
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Gérard Buhr as Le psychiatre |
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Louise Chevalier as |
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Tener Eckelberry as |
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Massimo Farinelli as |
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Jill Larson as |
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Robert Lussac as |
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Franco Ressel as |
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Dora van der Groen as |
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Les Zemgano as |
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Michel Charrel as Le mâle (uncredited) |
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Patrick Dewaere as L'homme à l'écharpe jaune (uncredited) |
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Anne Lonnberg as La deuxième baby sitter (uncredited) |
| Directing | René Clément | Director |
| Production | Bertrand Javal | Producer |
| Production | Robert Dorfmann | Producer |
| Crew | Ring Lardner, Jr. | Additional Writing |
| Art | Jean André | Art Direction |
| Writing | Sidney Buchman | Scenario Writer |
| Art | Robert André | Set Decoration |
| Production | Daniel Deschamps | Unit Manager |
| Sound | Joseph de Bretagne | Sound Engineer |
| Costume & Make-Up | Tanine Autré | Wardrobe Master |
| Writing | René Clément | Adaptation |
| Production | Sidney Buchman | Associate Producer |
| Art | Georges Glon | Set Decoration |
| Writing | Daniel Boulanger | Adaptation |
| Production | Roger H. Lewis | Associate Producer |
| Writing | Eleanor Perry | Scenario Writer |
| Art | Marc Desages | Set Decoration |
| Sound | Maurice Dagonneau | Boom Operator |
| Costume & Make-Up | Roxane Vaisborg | Assistant Costume Designer |
| Production | Georges Casati | Executive Producer |
| Costume & Make-Up | Simone Knapp | Hairstylist |
| Directing | Denis Amar | First Assistant Director |
| Production | Charles Chieusse | Location Manager |
| Writing | Arthur Cavanaugh | Novel |
| Editing | Françoise Javet | Editor |
| Directing | Patrick Bureau | First Assistant Director |
| Camera | Jean Harnois | First Assistant Camera |
| Editing | Christiane Lack | Editor |
| Costume & Make-Up | Aïda Carange | Makeup Artist |
| Production | Ennio Nobili | Co-Producer |
| Camera | Andréas Winding | Director of Photography |
| Production | Alain Belmondo | Unit Manager |
| Camera | Alain Pillet | Second Assistant Camera |
| Production | Georges Caroujat | Production Accountant |
| Art | Eric Simon | Set Dresser |
| Camera | Roger Corbeau | Still Photographer |
| Camera | Georges Pastier | Camera Operator |
| Costume & Make-Up | Yvette Bonnay | Assistant Costume Designer |
| Editing | Jean Ravel | Editor |
| Sound | Gilbert Bécaud | Original Music Composer |
