Ellie Peters (Lulu Lambros) is Bethany 's daughter and Harley 's best friend who is on the same basketball team as Georgie. In "Stuck in Harley 's Comet '', it is revealed that Ellie is afraid of heights, darkness, and birds. In "Stuck with a Bad Influence '', Ellie is sent to a boarding school called Radistone Academy by her mother.
harley's friend in stuck in the middle
Ellie Peters