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Shared credits
Martin Berkeley averages 5.85, William Alland averages 7.23. Apart that suggests 6.54; together they average 5.70, a lift of −0.84.
Lift is the average of their films together minus the mean of their two career averages.
Dot size shows audience votes; lines are rolling five-film averages. Films below the source vote floor are left out.
 Revenge of the Creature | 1955 | 5.6 | 173 | Writer | Writer, Producer |
 Tarantula | 1955 | 6.5 | 315 | Writer | Producer |
 The Deadly Mantis | 1957 | 5.0 | 82 | Writer | Writer, Producer |
