Director and writer
Claude Berri averages 7.05, Arlette Langmann averages 6.72. Apart that suggests 6.89; together they average 7.05, a lift of +0.17.
Lift is the average of their films together minus the mean of their two career averages.
Dot size shows IMDb votes; lines are rolling five-film averages. Films with fewer than 1,000 votes are left out.
| L'enfance nue | 1968 | 7.4 | 2,964 | Producer | Writer, Editor (not counted) |
| I Love You All | 1980 | · | 606 | Director, Writer | Editor (not counted) |
| Le maître d'école | 1981 | 5.9 | 1,311 | Writer, Director, Producer | Editor (not counted) |
| Madman at War | 1985 | · | 451 | Producer | Editor (not counted) |
| Uranus | 1990 | 7.0 | 1,676 | Director, Writer | Writer |
| Germinal | 1993 | 7.1 | 6,243 | Producer, Writer, Director | Writer |
| Hard Off | 1999 | · | 277 | Writer, Director, as Claude Langmann | Writer |
