The main theme from Cast Away is one of the most beautifully written music by Alan Silvestri.

The film does not have very much score which is an interesting choice by the director Zemecki. There is some music which can be heard at the beginning of the film but there were only nature or animal sounds during the character`s isolation on the island. That’s why it has a more dramatic effect to the escape scene as this is the first time when the main theme can be heard. The piece is sensitive and smooth, and it well reflects and amplifies what is going on with the character and his feelings. The composer uses string instruments with an oboe solo at the beginning. The long notes, the harmony and the slow tempo are very serene and beautiful.

The theme music represents the emotional journey of the character Chuck (Tom Hanks) throughout the movie. First, when he escapes from the island. The lots of negative feelings which built up during the five years (the time he spent on the island) turn into a big relief as now there is a hope for getting home. Then we hear it when Chuck loses Wilson in the Ocean. Although Wilson is a volleyball, it became the best friend for Chuck as there is no other human beings to interact with. The desperation in Tom Hanks voice is heart breaking which is strengthened by the music. The next two scenes where this piece can be heard is also packed with deep feelings and a hard decision as Chuck realised that he must let his love go and continue his fight to find his path. The music well represents these deep emotions. The last time the main theme appears is another crucial scene where Chuck arrives to a crossroads and he decides which path to choose.