Director and actor
Herbert Ross averages 6.60, Walter Matthau averages 6.73. Apart that suggests 6.67; together they average 6.47, a lift of −0.20.
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.
Each column is a film in release order. Filled squares mark who was in it, colored by the film's rating.
| The Sunshine Boys | 1975 | 7.1 | 7,410 | Director | as Willy Clark |
| California Suite | 1978 | 6.2 | 9,232 | Director | as Marvin Michaels |
| I Ought to Be in Pictures | 1982 | 6.1 | 1,141 | Director, Producer | as Herbert Tucker |
| James Caan |
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| Steve Martin |
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| Shirley MacLaine |
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| Barbra Streisand |
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| Richard Benjamin |
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| Marsha Mason |
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| Mikhail Baryshnikov |
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