Shared credits
John Gregson averages 6.70, John Mills averages 6.91. Apart that suggests 6.81; together they average 6.80, a lift of 0.00.
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.
| Scott of the Antarctic | 1948 | 7.0 | 2,849 | as P.O. T. Crean R.N. | as Captain R.F. Scott R.N. |
| Above Us the Waves | 1955 | 6.6 | 1,857 | as Lt Alec Duffy | as Cmdr. Fraser |