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Shared credits
Michael Ripper averages 6.10, Robert Bloch averages 6.07. Apart that suggests 6.09; together they average 5.25, a lift of −0.83.
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 Deadly Bees | 1966 | 4.3 | 2,436 | as David Hawkins | Writer |
 Torture Garden | 1967 | 6.2 | 3,991 | as Gordon Roberts (Framework Story) | Writer |
