Shared credits
Robert Keith averages 6.68, Doris Day averages 6.60. Apart that suggests 6.64; together they average 6.90, a lift of +0.26.
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.
| Young at Heart | 1954 | 6.7 | 3,101 | as Gregory Tuttle | as Laurie Tuttle |
| Love Me or Leave Me | 1955 | 7.1 | 5,325 | as Bernard V. Loomis | as Ruth Etting |
