Title: List of The Godfather characters
Content:  Thomas "Tom" Hagen is a fictional character in Mario Puzo's novel The Godfather and Francis Ford Coppola's films The Godfather and The Godfather Part II. He is portrayed by Robert Duvall in the films. He is a consigliere and lawyer for the Corleone crime family. He is also an informally adopted member of the Corleone family.
Title: Tom Hagen
Content:  Thomas Hagen is a fictional character in Mario Puzo's 1969 novel The Godfather and Francis Ford Coppola's films The Godfather (1972) and The Godfather Part II (1974). He is portrayed by Robert Duvall in the films. He also appears in the Mark Winegardner sequel novels, The Godfather Returns and The Godfather's Revenge, as well as Ed Falco's novel, The Family Corleone. He operates as the consigliere and as a lawyer for the Corleone family, and is an informally adopted member of the family.
Title: Tom Hagen
Content:  According to The Godfather Part III, Hagen has already died before the time frame of the film, which is 1979–1980. There is no specific indication in the film as to when or how he died, except that it was prior to his son, Andrew (John Savage), being ordained a Roman Catholic priest. The role of Corleone family lawyer and advisor is instead held by a new character, B. J. Harrison (George Hamilton), as well as Genco's grandson Dominic Abbandando (Don Novello). Hagen was originally intended to have been featured in The Godfather Part III, but was written out due to a salary dispute between Duvall and the film's producers. Coppola stated in the film's commentary that Duvall demanded the same salary as Al Pacino (who portrayed Michael Corleone). However, Duvall said in an interview that he was happy for Pacino to earn twice his salary, but not triple or quadruple it for the same film. Coppola has stated that Part III was to feature a split between Michael and Hagen as its central plot, as seeds of dissension were planted in the first two films.
Title: The Godfather
Content:  efforts and allowed Coppola to cast Brando for the role if Brando accepted a lower salary and put up a bond to ensure he would not cause any delays in production. Brando earned $1.6 million from a net participation deal. From the start of production, Coppola wanted Robert Duvall to play the part of Tom Hagen. After screen testing several other actors, Coppola eventually got his wish and Duvall was awarded the part. Al Martino, a then famed singer in nightclubs, was notified of the character Johnny Fontane by a friend who read the eponymous novel and felt Martino represented the character of Johnny Fontane. Martino then contacted producer Albert S. 
Title: Tom Hagen
Content:  consigliere, preferring his father informally assume the role; Michael claims Hagen is "not a wartime consigliere". Hagen is hurt, but respects their decision, and begins managing the family's legitimate businesses. The novel and first film portray Hagen aiding Vito and Michael in warring against the other ruling New York Mafia families. In The Godfather Part II, set in 1958–1960, Hagen serves as Michael's right-hand man during his power struggle with Hyman Roth (Lee Strasberg). In The Godfather Part III, set in 1979–1980, he is said to have died some years before in an unspecified manner. His role in the story between the second and third films, including his death, is portrayed in Mark Winegardner's sequel novels, The Godfather Returns and The Godfather's Revenge.
Title: Godfather of Harlem
Content:  Alongside the initial series announcement, it was confirmed that Forest Whitaker would star in the series as Bumpy Johnson. In September 2018, it was announced that Vincent D'Onofrio, Ilfenesh Hadera, Antoinette Crowe-Legacy, Nigél Thatch, Kelvin Harrison Jr., Lucy Fry and Paul Sorvino had been cast in starring roles. In October 2018, it was reported that Giancarlo Esposito and Rafi Gavron had joined the cast in a series regular capacity. On January 8, 2019, it was announced that Kathrine Narducci had been cast in a recurring role. For the second season in 2021, Justin Bartha, Annabella Sciorra, Ronald Guttman, Isaach de Bankolé, Method Man, Michael Rispoli and Grace Porter were added to the cast. In May 2021, it was announced that actress Whoopi Goldberg will appear in a guest role.
Title: The Godson (film)
Content:  The Godson is a 1998 comedy film directed by Bob Hoge, starring Rodney Dangerfield, Kevin McDonald and Dom DeLuise. The film is a parody of The Godfather film series and Scarface, as well as other gangster films that were popular in the 1970s, 1980s, and 1990s.
Title: The Godfather Part III
Content:  to Pacino's. In 2004, on the CBS program 60 Minutes, Duvall said, "if they paid Pacino twice what they paid me, that's fine, but not three or four times, which is what they did." When Duvall dropped out, Coppola rewrote the screenplay to portray Tom Hagen as having died before the story begins and created the character B. J. Harrison, played by George Hamilton, to replace the Hagen character in the story. Coppola stated that, to him, the movie feels incomplete "without [Robert] Duvall's participation". According to Coppola, had Duvall agreed to take part in the film, the Hagen character would have been heavily involved in running the Corleone charities. 
Title: Thomas Hagan
Content:  Hagan was portrayed by Giancarlo Esposito in the 1992 American biographical film Malcolm X.
Title: The Godfather II (video game)
Content:  has acquired a key witness - Frank, who survived the assassination attempt and believes Michael betrayed him. He then appoints Tom Hagen (Robert Duvall), the former Corleone consigliere and Michael's lawyer, as Dominic's new consigliere to assist him with his operations. Tom enlists Dominic's help in framing Senator Pat Geary (Chris Edgerly) for the murder of a prostitute, and then offering to get rid of the corpse in exchange for his friendship to the Corleones. Geary agrees, and reveals that the Mangano family are planning to start operating in Miami. Rather than go to war with them, Dominic, at Michael's advice, strikes a partnership with the Manganos. During this 

Question: who played tom hagon in the godfather series?
Answer: Robert Duvall.