Shared credits
Frederic Forrest averages 6.41, Robert Duvall averages 6.68. Apart that suggests 6.55; together they average 7.95, a lift of +1.41.
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.
 Apocalypse Now | 1979 | 8.4 | 779K | as Chef | as Lt. Colonel Kilgore |
| The Stone Boy | 1984 | · | 898 | as Andy Jansen | as Joe Hillerman |
 Falling Down | 1993 | 7.5 | 230K | as Surplus Store Owner | as Prendergast |
