A serious injury and a subtle nod to Tom Hanks’ wife: 8 things you didn’t know about Cast Away. – Mamamia

5. Wilson was inspired by a volleyball that washed up on the beach. 
While on the island, Broyles came up with the character of Wilson after a volleyball washed up on the beach and he began talking to it.
It’s now his “favorite character” in the movie. 
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