A Bronx Tale - Robert De Niro's directorial debut is a testament to the fact that he put to good use all the filmmaking lessons he learned while working with Scorsese.Analyze This - De Niro got to showcase his comic skills once again in this witty gangster comedy co-starring Billy Crystal as a therapist tasked to free a mobster (De Niro) from his anxiety issues.Angel Heart - De Niro playing the devil himself in one of the most unsettling psychological thrillers ever made. It's a blend of two genres - private detective thriller and horror.Awakenings - Based on true events, it carries a double dose of emotional wallop due to De Niro's role as a catatonic patient and Robin Williams as the doctor trying to help him.Casino - De Niro's character Sam Rothstein navigates a rich and colourful but dangerous world of casinos, betrayal, backstabbing mafiosos, and shady politicians.The Godfather-II -Both a sequel and prequel to The Godfather, De Niro won his first Oscar for portraying the younger days of Vito Corleone, the character played by Marlon Brando in the original film.Goodfellas - Robert De Niro, Ray Liotta and Joe Pesci are fantastic in this fascinating ride through the landscape of the Italian-American mafia business.Heat - De Niro and Al Pacino in this crime masterpiece from Michael Mann. A tale of two similarly driven individuals on opposite sides of the law, battling personal demons.The Irishman - This is as much an introspective existential drama as it is a stimulating gangster epic. De Niro plays an ageing mobster reflecting on his journey in a layered, ambiguous performance.Jackie Brown -Though Samuel Jackson and Robert Forster overshadowed De Niro in Tarantino's most mature film, De Niro still managed to be a notable presence with its cleverly understated performance.The King of Comedy - A chilling dark comedy in which De Niro plays a wannabe comedian obsessed with a late-night talk show. It's a prescient satire on the perils of chasing celebrity status.Mean Streets - De Niro's first collaboration with director Martin Scorsese that led to many more films together. The actor's unpredictable and volatile performance immediately put him on the map.Midnight Run - This rides on the fantastic chemistry between De Niro and Charles Grodin who play an embittered bounty hunter and a mob accountant respectively.Raging Bull - A stunningly performed tale of self-destruction which fetched De Niro his second Oscar. The actor went through a series of intense physical transformations to play boxer Jake LaMotta.Ronin - This John Frankenheimer spy thriller deserves to be mentioned since it saw De Niro in a full-fledged action hero mode. Action of the sophisticated variety, that is.Taxi Driver - Despite its brilliantly filmed grittiness and bloodshed, Martin Scorsese's Taxi Driver is a brilliant exploration of loneliness and urban alienation.The Untouchables - In Brian De Palma's film about a bunch of lawmen determined to take down Al Capone, De Niro plays the latter. Among all the portrayals of the gangster till date, this one remains un