Home People Jack Grossberg Jack Grossberg movies Jack Grossberg movies Jack Grossberg Movies (9) The Experts (1989) As Executive Producer. Back to the Future (1985) As Unit Production Manager. The Betsy (1978) As Associate Producer. Sleeper (1973) As Producer. The Hospital (1971) As Associate Producer. Bananas (1971) As Producer. Don't Drink the Water (1969) As Associate Producer. Pretty Poison (1968) As Associate Producer. The Producers (1967) As Producer.
