Home People Heather Menzies Heather Menzies movies Heather Menzies movies Heather Menzies Movies (10) Truant (2005) As Writer. She was 55 years old Endangered Species (1982) As Susan. She was 32 years old Captain America (1979) As Dr. Wendy Day. She was 29 years old Piranha (1978) As Maggie McKeown. She was 28 years old James Dean (1976) As Jan. She was 26 years old Sssssss (1973) As Kristina Stoner. She was 23 years old The Computer Wore Tennis Shoes (1969) As (uncredited). She was 20 years old How Sweet It Is! (1968) As Tour Girl. She was 18 years old Hawaii (1966) As Mercy Bromley. She was 16 years old The Sound of Music (1965) As Louisa von Trapp. She was 15 years old
