Career
He is best known for playing the psychotic cat-loving, iron-hooked Steve "The Claw" Michael in Dick Tracy"s Dilemma. Following a spell on Broadway, Lambert moved to Hollywood and began working in films in 1942. Lambert also appeared in many television series of the 1950s and 1960s, such as Rod Cameron"s State Trooper, Gunsmoke (season 4, episode 35, 1959), Have Gun - Will Travel, Sugarfoot, Daniel Boone, Wagon Train, Bonanza, Get Smart and The Andy Griffith Show.
From 1959 to 1960, he was a regular cast member (as Joshua Walcek, sometimes called "Joshua MacGregor"), in 23 of the 42 episodes of Darren McGavin"s National Broadcasting Company western series, Riverboat.
He is often confused with Jack Lambert, a British character actor, as well as the former Pittsburgh Steelers linebacker Jack Lambert.