William Mapother, who plays Charlie, is the younger cousin of Tom Cruise, who starred in the film Minority Report.
Charlie gets asked how long he has been on the island. The actor who plays Charlie, William Mapother, also starred in Lost where the island was where it all took place.
William Mapother played the Hotel Clerk in the film version of Minority Report.
When Will is explaining Hawkeye at the police station he says, "Welcome to the newest tool in our police belt". This is an Easter egg referencing the children's cartoon Handy Manny, in which Wilmer Valderrama, voices the main character.