Ballot for Umberto Lenzi
Weighted ratings are provided in parentheses to the left of each title. The formula for weighting the ratings is:
weighted rating = (v ÷ (v+m)) × R + (m ÷ (v+m)) × C
where:
R = average user rating for the movie (mean)
v = number of votes for the movie
m = min votes to be listed for this filmography
C = the mean vote across the eligible titles
| C | m |
| Director | 5.34 | 50 |
| Writer | 5.18 | 50 |
| Second Unit Director or Assistant Director | 5.10 | 8 |
| Self | 7.15 | 12 |
| Actor | 4.35 | 34 |
| Thanks | 7.75 | 50 |
| Producer | 5.75 | 50 |
| Camera and Electrical Department | 4.10 | 50 |