What is the name of Rob Reiner's film debut?

Explanation

The American producer, director and actor Rob Reiner (born 1947) was destined to end up in the film business: both his parents were in the entertainment industyr. He started out in tv series in the 1960s and 1970s and debuted as a director with the 1984 cult film "This is Spinal Tap!". This paved his way for other big films such as "Misery" and "When Harry Met Sally" from 1989, starring Meg Ryan and Billy Crystal. Rob Reiner himself has "Stand By Me" (1986) as his favourite piece of work.