Sarah Mills (played by Sarah-Jane Redmond) was the wife of Charlie Mills and the mother of Abby Mills. She was killed by John Wakefield. In a deleted scene in Episode 2, she was reveled to be a school teacher, who was an artist who would draw her students as told by Abby to Cal with both of them seeing a few examples in a building while going through town during the scavenger hunt.
|Characters of Harper's Island|
|Main Characters:||Abby Mills • Jimmy Mance • Henry Dunn • Trish Wellington • Chloe Carter • Cal Vandeusen • Charlie Mills|
|Secondary Characters:||Christopher Sullivan • J.D. Dunn • Thomas Wellington • Hunter Jennings • Marty Dunn|
|Tertiary Characters:||Shea Allen • Madison Allen • Danny Brooks • Shane Pierce • Nikki Bolton • Maggie Krell • Katherine Wellington • Beth Barrington • Malcolm Ross • Richard Allen • Joel Booth • Lucy Daramour • Kelly Seaver|
|Minor Characters:||Robin Matthews • Ike Campbell • Karena Fox • Julia Mitchell • Stacy DeKnight • John Wakefield • Patrick Lillis • Tyra Coulter • Darryl Riggens • Cole Harkin • Deputy Garrett • Reverend Fain • Ben Wellington|
|Related Characters:||Kate Seaver • Sarah Mills • Christopher Cullen • Randall Martin • Joshua Aiken • Harris Antonini|