Actress · DirectorLisa VicariFebruary 11, 1997(27 years old)Munich, Bavaria, GermanyLisa Vicari (born February 11, 1997) is a German actress. She is best known for portraying Martha Nielsen in the TV show Dark. She is also known for portraying the lead role of Isi in Isi & Ossi, a Netflix original movie.SocialsInstagramIMDbKnown forDarkMartha Nielsen / Martha Nielsen