from 1970 to 1972, he appeared four times on lucille ball's cbs series "here's lucy". from 1972 to 1973, he guest starred on abc's "love, american style" and cbs's "the mary tyler moore show" and "the bob newhart show". he also appeared on "all in the family" in episode 12, season 1, as the delivery man. from 1971 to 1974, he appeared four times on cbs's "the new dick van dyke show", including the role of uncle manny. in 1973, he guest-starred in an episode of the situation comedy "a touch of grace". he also appeared as "pop" in the 1974 episode "knock around the block" of abc's "happy days" starring tom bosley, marion ross, henry winkler, and ron howard. from 1971 to 1975, he guest starred five times on abc's sitcom "the odd couple" starring tony randall and jack klugman. in 1975, he appeared as bernie in the jack albertson-freddie prinze nbc sitcom "chico and the man" in the episode entitled "louie's retirement". that same year, he appeared as nathan levine in the episode "the social worker" of abc's sitcom "barney miller".