Shared credits
Delbert Mann averages 6.75, Ken Lynch averages 6.56. Apart that suggests 6.65; together they average 6.60, a lift of −0.05.
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.
| The Dark at the Top of the Stairs | 1960 | · | 916 | Director | as Harry Ralston |
| Dear Heart | 1964 | 7.2 | 2,145 | Director | as The Masher |
| Mister Buddwing | 1966 | 6.0 | 1,609 | Director, Producer | as Dan |
