Bachelor Party is a 1984 American sex comedy film directed by Neal Israel, written by Israel and Pat Proft, and starring Tom Hanks, Adrian Zmed, William Tepper, and Tawny Kitaen. The film revolves around a bachelor party that a group of men throw for their friend Rick Gassko (Hanks) on the eve of his wedding and whether he can remain faithful to his fiancée Debbie (Kitaen).
source : wikipedia