[1] Say, Darling closed in January 1959, and two months later she opened in her second Broadway show, First Impressions, this time billed as Lauri Peters.
[3] In the fall of 1959, Peters created the role of Liesl Von Trapp in the original Broadway production of The Sound of Music.
She was married to actor Jon Voight (1962–67), whom she met when he joined the cast as Nazi messenger boy Rolfe, with whom Liesl shares a song ("Sixteen Going on Seventeen") and an attraction.
[4] Although she worked primarily in the theater, on and off Broadway, and in touring companies, she also appeared on popular television shows of the 1960s and '70s, including Gunsmoke, where she was featured as "Allie", an innocent girl stuck in a poor family of eight (with a father and brother who were future-less lazy, whiners), yet she somehow remained kind and caring, as well as falling hard for her heartthrob, Marshal Dillon in the episode "Take Her, She's Cheap" (S10E6).
That was after her first starring role on Gunsmoke in 1964 (S9E20) as the title character "Mayblossom", portraying Festus's cousin (who was promised to him for marriage), but who also falls prey to being violated by a townsman.