Heather Menzies-Urich (born Heather Margaret Brotherston Menzies; December 3, 1949 – December 24, 2017) was a Canadian-American model and actress, known for her roles as Louisa von Trapp in the 1965 film The Sound of Music and Jessica 6 in the TV series Logan's Run. Heather Margaret Brotherston Menzies was born in Toronto on December 3, 1949, to Scottish parents  who had emigrated to Canada after the war. Her father was a struggling artist. By Menzies' 14th birthday, she had lived in Vancouver, Miami, London, and Southern California. She had a younger sister Sheila, and an older brother Neil who died in 2019. Menzies was a graduate of John Burroughs High School in Burbank, CA, 1967, and she studied at Falcon Studio's University of the Arts.

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