Because you like James B. Donovan in Bridge of Spies
Jail hasn't broken Andy Dufresne's spirit, but will his spirit help break him out of jail? See them in The Shawshank Redemption.
James Gordon happens to be the one guy in Gotham City with proper morals who doesn't also run around in a cape. See them in DC Extended Universe.
King Schultz is about as color-blind as a man of his era can be. See them in Django Unchained.
A gifted detective, Rust Cohle is as dark and twisty as any murderer he chases. See them in True Detective Season 1.
Keeping your cool is just as useful in the underworld as in war, and Michael Corleone is stone-cold. See them in The Godfather.
Leone Montana is a fearless hitman with a surprisingly sensitive side. See them in Leon: The Professional.
Tony Montana makes up for his language barrier with his immense skill at cursing as loud and effectively as humanly possible. See them in Scarface.
A no-nonsense pro, Agent K has dedicated his whole life to his job. See them in Men in Black.
A suave proprietor of an upscale nightclub and gambling den, Rick Blaine is dealing with World War II and a broken heart. See them in Casablanca.
Javert is an inspector with a single-minded focus: to bring criminals to justice. See them in Les Miserables.