His one-dimensional characters shifted his career primarily to the small screen with numerous television appearances during the 1950s and 1960s in such shows as Rod Cameron's State Trooper, Gunsmoke, Have Gun – Will Travel, Sugarfoot, Wagon Train, and Bonanza. He had a recurring role as a cast member in the Darren McGavin series, Riverboat. Lambert appeared in the occasional comedy movie or television series. Still playing a thug. He was a Zombie in Martin and Lewis' Scared Still of 1953. Lambert had a humorous turn as a thoughtful hitman alongside singer/comedian, and Jack Benny regular, Dennis Day, in the 1959 dark comedy episode, Cheap is Cheap, for Alfred Hitchcock Presents. Lambert meets Day in a park to discuss doing away with his high-maintenance wife. Lambert empathically offers options but his fee is too high. He then suggests Day could do it himself.
Retiring in 1970, he and his wife ran (of course) a boutique in Carmel, California.
