Debra Jo Rupp. Actress: Die wilden Siebziger. With over 300 television appearances to her credit, Debra Jo Rupp is perhaps best known for her role as the hilarious and beloved high-strung mom 'Kitty Forman' in the long-running FOX comedy series "That '70s Show." Her performance established her as a sitcom legend, and one of TV's Favorite Moms of all time! Debra Jo was welcomed into the Marvel Universe with her memorable...