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Shared credits
Robert Parrish averages 6.34, Al Lettieri averages 6.37. Apart that suggests 6.36; together they average 5.25, a lift of −1.11.
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 Bobo | 1967 | 5.5 | 1,079 | Director | as Eugenio Gomez |
| A Town Called Hell | 1971 | 5.0 | 1,068 | Director | as La Bomba |