Huddleston also found time to make numerous guest appearances on TV shows, in everything from sitcoms to dramas. He co-starred in several series, including "Tenafly" (NBC, 1973-74) and "Petrocelli" (NBC, 1974-76). Huddleston created, co-executive produced and starred in the short-lived sitcom "Hizzoner" (NBC, 1979), about a Southern mayor, He earned an 1990 Emmy nomination for his recurring role as Grandpa Arnold on ABC's "The Wonder Years" and lent strong support as the father of a suspected murderer fighting for custody of his grandchild in the superior "In a Child's Name" (CBS, 1991). Throughout his career, Huddleston has returned to the stage. Among his more notable credits are co-starring as Branch Rickey in "The First" (1981), a musical biography of baseball player Jackie Robinson, appearing in support of Dustin Hoffman in "Death of a Salesman" (1984) and replacing Pat Hingle as Benjamin Franklin in the 1998 Broadway revival of the musical "1776".