Haru

In the beginning of the film, Miss Hara at first seems like a loving caring person. She takes in a young boy named Shawn who is battling a heart disease. Even getting somewhat concerned about Shawn when he's out in the rain, telling him to get inside or he'll catch a cold. However, her true personality is shown as she gets more suspicious about the "little people" living inside of her home. Her paranoia grows and grows as strange things kept happening in her house, especially with Shawn wondering over the place she stays. However, when she eventually actually finds one of the "little people" who is Arrietty's mother, Homily, she kidnaps her. Hara's greed gets the best of her and even locks Shawn in his room so she wouldn't have her plan foiled, although this fails. It's not for certain what she wanted to do with Arrietty's family, but she calls the "Squeaky Clean Pest Control" so they could be contained.  Hara also reveals to be a bit dimwitted, most likely from her old age. Shawn's Aunt Jessica points out that she accidentally yet quite frequently parks her car in the middle of the driveway, despite many times Jessica had to tell her not to park it there.

Haru wears a brown trousers and orange shirt with beige apron. She wears green glasses and has short, messy brown hair in a pixie cut.She is a caucasian middle-aged woman with pudgy face and appears to be overweight.