Bruce Gordon (February 1, 1916 – January 20, 2011) was an American actor best known for playing gangster Frank Nitti in the ABC television series The Untouchables.

His acting career ranged over a half century and included stage, movies, and a varied number of roles on the small screen.

In 1958, Gordon appeared in a memorable bit role as one of Jean Lafitte's pirates in Anthony Quinn's movie spectacle The Buccaneer, alongside a cast including Yul Brynner, Charlton Heston and Claire Bloom.

He had a similar role in 1960 as the character Garnett in the episode "Forbidden Island" of the NBC western television series, Riverboat, starring Darren McGavin as the captain of the vessel, the Enterprise.

In 1958, he guest starred on the NBC western Jefferson Drum and on the same network's adventure series Northwest Passage, with co-stars Keith Larsen and Buddy Ebsen.

Gordon appeared twice in 1961 on ABC's Adventures in Paradise, starring Gardner McKay; he was cast as Stevens in "Mr. Flotsam" and as Red Munce in "Adam San".

His subsequent frequent, energetic performances as Capone-era mobster Frank "The Enforcer" Nitti in Desilu Productions' The Untouchables (1959–1963) led to his being typecast as an often darkly humorous 'heavy' for the rest of his career.

On 12/06/1972 he played a over zealous detective on Adam-12, Adam-12 October 1970, Bright Boy, Sgt.Poster His film credits included roles in The Buccaneer (1958), Curse of the Undead (1959), Key Witness (1960), Roger Corman's Tower of London (1962), Hello Down There (1969) and Timerider: The Adventure of Lyle Swann (1982).

He also worked with Corman again, playing the nasty Colonel Waxman in the cult classic Piranha (1978), starring alongside Bradford Dillman and Kevin McCarthy.