HomePeople Biography and filmographyMarianne Mosner Biography unavailable on TMDB. Movies (3)TV shows (2) Movies (3) The Seventh Victim1943 · Miss Rowan (Uncredited) Escape1940 · Maria a Student (uncredited) Farewell1930 · 3rd Lennox-Sister TV shows (2) Perry Mason1957 · Writer Crossroads1955 · Writer