Chuck Noland, the protagonist stranded on a deserted island, is a fictional character created for the film.

There was no FedEx plane crashing in the Pacific Ocean, and no man stranded on a deserted island. It is all fictional.

The film depicts various survival techniques and challenges faced by Chuck on the island. While some aspects are based on general survival knowledge, others are dramatized or fictionalized for narrative purposes.

The film explores the psychological effects of prolonged isolation and loneliness on Chuck, including his development of a relationship with a volleyball named Wilson. This portrayal is generally considered realistic and insightful.