Shared credits
Christopher Guest averages 6.76, Randy Quaid averages 6.05. Apart that suggests 6.40; together they average 5.60, a lift of −0.80.
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 Long Riders | 1980 | 6.9 | 14,961 | as Charlie Ford | as Clell Miller |
| Heartbeeps | 1981 | 4.3 | 1,847 | as Calvin | as Charlie |
