First season of ` ` The Patty Duke Show '' out on DVD . `` He was also a solid , solid figure to me and still is . In it , Duke played identical cousins Patty and Cathy Duke . She remembers home as haven during tough times as teenager . Actress later was diagnosed as bipolar ; she now helps people who have problems .
First season of ` ` The Patty Duke Show '' out on DVD . In it , Duke played identical cousins Patty and Cathy Duke . She remembers home as haven during tough times as teenager . Actress later was diagnosed as bipolar ; she now helps people who have problems .