Jack Lambert (April 13, 1920 – February 18, 2002) was an American character actor who, with his menacing scowl and snarling demeanor, became one of the most recognizable and effective villains of the film noir era.
Lambert’s tough-guy persona made him a staple of the crime genre. He is best remembered for his chilling performance as the menacing hitman “Dum-Dum” Clarke in the classic film noir The Killers (1946). He also had memorable roles as the brutal enforcer Philadelphia Tom Zaca in The Enforcer (1951) and as a sleazy thug in Robert Aldrich’s apocalyptic noir masterpiece, Kiss Me Deadly (1955).
Beyond film noir, he was a frequent face in Westerns and television, often playing gangsters and henchmen. His other notable roles include appearances in the classic Western Vera Cruz (1954) and multiple popular television series such as Bonanza, Gunsmoke, Daniel Boone, Tales of Wells Fargo, and Wagon Train. Jack Lambert’s unique and intimidating screen presence cemented his legacy as a quintessential heavy of the Golden Age.
Source: https://en.wikipedia.org/wiki/Jack_Lambert_(American_actor)