West Wing , and Cold Case. On June 19, 2010, Troup appeared with her My Three Sons co-stars at a 50th anniversary celebration of the classic series at the Paley Center for Media in Beverly Hills. References External links Living people American film actresses American television actresses 20th-century American actresses People from Bryn Mawr, Pennsylvania Actresses from Pennsylvania 21st-century American actresses North Hollywood High School alumni Year of birth missing (living people)