Kym Karath began her acting career at the age of 3, appearing in "Spencer's Mountain" with Henry Fonda and Maureen O'Hara, "The Thrill Of It All" with Doris Day and James Garner, and "Good Neighbor Sam" with Jack Lemmon before winning the role of the youngest Von Trapp daughter. After "The Sound of Music," Kym continued acting, appearing over the years in such television shows as "Dr. Kildare," "Lassie," "My Three Sons," "Lost In Space," "Family Affair," and "The Brady Bunch" before having time off to pursue her education. Graduating from USC with her degree in Humanities, Kym made television appearances in such shows as "Archie Bunker's Place," and "Midnight Offerings," before moving to Paris to model and study art history. After returning to the U.S., Kym appeared in "All My Children" and various print ads before taking time off to raise her son, Eric. She is now resuming her acting career in Los Angeles, CA.
Graduated from USC with a degree in Humanities Has a son Eric born in 1991. Her Sound Of Music co-star, Heather Menzies, is his godmother Heather Menzies, her co-star in The Sound of Music, eventually was godmother to her son. They had become close friends despite the fact that while filming that movie's rowboat scene, Kym swallowed too much water and threw up on Heather. Kym's older sister Francie auditioned for the role of Liesl in The Sound Of Music. Former sister-in-law of Alan Callow. Both parents were Greek. The family's name was originally Karathanasis until her father shortened it to Karath. Lives in New York.