Shared credits
Lillian Hellman averages 7.07, Herbert Marshall averages 6.77. Apart that suggests 6.92; together they average 7.25, a lift of +0.33.
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 Dark Angel | 1935 | 6.6 | 1,143 | Writer | as Gerald Shannon |
 The Little Foxes | 1941 | 7.9 | 14,384 | Writer | as Horace Giddens |
