Firstborn (1984)
Firstborn (titled Moving In in Europe) is a 1984 drama film starring Teri Garr, Peter Weller, Christopher Collet, Corey Haim (in his film debut), Sarah Jessica Parker and Robert Downey, Jr.. It was filmed in New Jersey and New York State and was finally released on DVD and Blu-ray on July 31, 2012.
More at Wikipedia.