Supporting characters were Alan Mayberry, an ex-country singer who became the Pussycats' roadie and Josie's love interest; Alexandra Cabot, who continually competed with Josie for Alan's affections; Alexander Cabot III, Alexandra's cowardly twin brother and the Pussycats' manager, and Sebastian, Alexandra's snickering cat. In the successor series, Josie and the Pussycats in Outer Space, a woolly creature named Bleep joined the cast. Voice talent included Janet Waldo, Casey Kasem and Don Messick, enabling Josie and friends to cross over to Scooby Doo.