Which actor played mob boss Frank Nitti in the film "The Road to Perdition"?

"Road to Perdition", a 2002 American crime drama film, was directed by Sam Mendes and written by David Self, based on the graphic novel of the same name by Max Allan Collins and Richard Piers Rayner. It stars Tom Hanks, Jude Law, Jennifer Jason Leigh, Stanley Tucci, Daniel Craig, Tyler Hoechlin, and Paul Newman, in his final film role. Set in 1931 during the Great Depression, the film follows a mob enforcer and his son as they seek vengeance against the mobster who murdered the rest of their family.

Mike Sullivan (Hanks) is an enforcer for powerful Depression-era Midwestern mobster John Rooney (Newman). Rooney's son, Connor (Craig), is jealous of the close bond they share, and when Mike's eldest son, Michael (Hoechlin), witnesses a hit, Connor uses the incident as an excuse to murder Sullivan's wife (Leigh) and youngest son. Forced to flee, Sullivan and Michael set out on a journey of revenge and self-discovery. As a key member of a criminal mob organization, Frank Nitti (Stanley Tucci), is Al Capone's right hand man, in charge of all his strong-arm operations for the Chicago Outfit. Sullivan must seek Nitti's support.

Stanley Tucci Jr. (b. November 1960, Peekskill, New York) is an American actor and filmmaker. He is best known as a character actor; he has played a wide variety of roles ranging from menacing to sophisticated. He has earned numerous accolades, including Emmy Awards, Golden Globe Awards and nominations for an Academy Award, BAFTA Award, and Tony Award.