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Shared credits
Lukasz Simlat averages 6.37, Robert Więckiewicz averages 6.43. Apart that suggests 6.40; together they average 6.60, 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.
| Vinci | 2004 | 6.9 | 4,819 | as Marcin Kudra | as Robert Cuminski 'Cuma' |
| Trick | 2010 | · | 516 | as Robert Kotecki | as Agent Karol Sieradzki |
| Courage | 2011 | 6.7 | 1,027 | as Jerzy Firlej | as Alfred Firlej |
| Konwój | 2017 | · | 919 | as Corporal Maciag | as Sergeant Andrzej Zawada |
| Scarborn | 2023 | 7.0 | 1,471 | as Wasowski | as Iwan Dunin |
| Vinci 2 | 2025 | 5.8 | 1,151 | as Commissioner Marcin Kudra | Writer, as Robert Cuminski 'Cuma' |