Shared credits
Christopher Plummer averages 6.43, Susannah York averages 6.53. Apart that suggests 6.48; together they average 7.00, a lift of +0.52.
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.
| Conduct Unbecoming | 1975 | 6.6 | 1,247 | as Maj. Alastair Wimbourne | as Mrs. Marjorie Scarlett |
| The Silent Partner | 1978 | 7.4 | 9,424 | as Reikle | as Julie |
