In 1967, Haggerty played Horace Tabor in the 1967 episode "Chicken Bill" of the syndicated television series Death Valley Days, hosted by Robert Taylor. Dub Taylor played the title role of the silver miner Chicken Bill Lovell, who in the story line salts his mine to get Tabor to pay off Lovell's lingering debt and to fund his continued operation. A year earlier, Haggerty played Sheriff Wheeler alongside Julie Sommars as Sister Blandina Segale in the 1966 Death Valley Days episode "The Fastest Nun in the West", hosted by Ronald Reagan. In the story line, Blandina seeks justice for a killer, despite heavy sentiment for his hanging. In another 1966 episode of the same series, Water Bringer, Haggerty was cast as the embittered Captain Hayworth of the ship Orion, with Rory Calhoun played the California Entrepreneur william A. Richardson, and Calhoun's then wife, Lita Baron, was cast as Maria Martinez, daughter of the commandante, Ygnacio Martinez (Will Kuluva).