Cast en crew
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Leonardo DiCaprioTrooper William "Billy" Costigan Jr. - Matt DamonStaff Sergeant Colin Sullivan
- Jack NicholsonFrancis "Frank" Costello
- Mark WahlbergSgt. Dignam
- Martin SheenCaptain Oliver "Charlie" Queenan
- Ray WinstoneArnold "Frenchie" French
- Vera FarmigaMadolyn
- Alec BaldwinCapt. Ellerby
- James Badge DaleBarrigan
- David O'HaraFitzy
- Mark RolstonTimothy Delahunt
- Kevin CorriganCousin Sean
- Anthony AndersonBrown
- Amanda LynchCarmen
- Tracey PaleoDarleen
- Kristen DaltonGwen
- Tom KempBilly's father
- Gary LockwoodJonny
- Martin ScorseseRegisseur
- Brad PittProducent
- Brad GreyProducent
- Graham KingProducent
- Roy LeeProducent
- Gianni NunnariProducent
- Doug DavisonProducent
- G. Mac BrownProducent
- Kristin HahnProducent
- William MonahanSchrijver
- Alan MakSchrijver
- Felix ChongSchrijver