<p>Sheriff Charlie Mills is a fictional character from the horror thriller/mystery show, Harper's Island. Sheriff Mills is portrayed by Jim Beaver.
Sheriff Charlie Mills is Abby's father. He killed John Wakefield after his wife, Sarah, died. He sent Abby away, but now she's back.
Sheriff Mills stops a bar fight.
He asks to Abby if she got the Christmas cards he sent.
Sheriff Mills investigates a break-in at the maritine museum and later investigates Kelly's dead body with one of his deputies.
Sheriff Mills informs Abby about Kelly's death.
The doctor investigates Kelly's dead body and informs Sheriff Mills about her eyes. Kelly's eyeballs are red(ink filled).
Sheriff Mills finds a newspaper with a message written "You found her, now find me".
Sheriff Mills knocks on Jimmy's home and Abby opens it. Jimmy and Sheriff Mills says they have a plan.
Sheriff Mills, Jimmy and Abby goes to a cafe for breakfast.
Sheriff Mills finds the dismembered corpse of Reverend Fain.
It is revealed that Sheriff Mills is still obsessing over Wakefield when Abby finds Wakefield murder articles on his attic.
Sheriff Mills goes inside the church and finds a dead body of Mr. Wellington with the people crying,</p>