HomePeople Biography and filmographyRobert Hecker Biography unavailable on TMDB. Movies (4)TV shows (0) Movies (4) Tooth Truth With Harv and Marv (Second Edition)1990 · Writer The Book of Manson1989 · Charles Manson Clean and Neat with Harv and Marv (Second Edition)1984 · Writer Clean and Neat with Harv and Marv1975 · Writer TV shows (0) No credits available.