Lili Marlene, born on March 18, 1954, in Cleveland, Ohio, is a retired American adult film actress and model who became a prominent figure in the Golden Age of Porn. She was born into a family of Jehovah's Witnesses, per IMDb and FamousFix. Of Caucasian descent, she dropped out of high school and began modeling for men’s magazines in the late 1970s, transitioning to 8mm adult loops before her feature film debut in 1982 at age 28 with Doing It!, per IMDb and Boobpedia. Her entry into the adult industry was driven by financial necessity and a natural affinity for performance, discovered through her early nude modeling work, per theclassicporn.com. "It was a turn on to know people would watch me fuck" she was later quoted. She used aliases like Lili Marlenes, Lilli Marlene, Lilly Marlene, Marlene Monrow, MonErica, and Sandy Becker, but Lili Marlene became her primary stage name, reflecting her bold, uninhibited persona, per IAFD. No nicknames are documented, and her pre-porn jobs remain unverified beyond modeling. Marlene’s adult entertainment career spanned 1982 to 1990, with a brief return in 1990 after retiring in 1988, appearing in over 241 films, per IAFD. She starred in notable titles like The Young Like It Hot (1983), The Pleasure Hunt (1984), The Grafenberg Spot (1985), Doctor Lust (1987), Dollface (1987), and Ravished (1990), working with studios like Essex Video, Electric Hollywood, and Now Showing Inc., per Boobpedia and IAFD. Renowned as an early “Anal Queen,” she was celebrated for explicit anal sex scenes, including with large-endowed performers like John Holmes and Ron Jeremy, and pioneered ass-to-mouth (ATM) before it became mainstream, per Boobpedia.