The Hills Are Alive! Behind The Scenes With The Sound of Music

Kym Karath as Gretl

Anthea Kym Karath is an American actress, who took on the part of Gretl von Trapp, the youngest of the children. She later appeared on Family Affair, The Brady Bunch, Lost in Space, as well as All My Children, Lassie, and Spencer’s Mountain. Kym left acting for a number of years after her son was born in 1991.