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Shared credits
Jerry Warren averages 2.50, Robert Christopher averages 2.10. Apart that suggests 2.30; together they average 2.10, a lift of −0.20.
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.
| Creature of the Walking Dead | 1965 | · | 361 | Producer, Director, Editor | as Det. Lt. Ed Jamieson |
| Frankenstein Island | 1981 | 2.1 | 1,444 | Producer, Writer, Director | Producer, as Mark Eden |