<P> Aunt Carol starts dating and Jamie tries to figure out who this mysterious date is . Meanwhile, Angeline appears to be hanging around Jamie a bit more, which Jamie assumes is something evil or manipulative going on . Jamie attempts to steal Angeline's permanent record, trying to find things to use against Angeline . Just days prior to the Jump - A-Thon, Jamie finds out that Isabella lied about the "Juvenile Optometry Federation" and was just using the money to buy herself some contact lenses, which turn out to be faulty . At the Jump - A-Thon, Jamie learns that Angeline, despite all the sponsors she has received for the Jump - A-Thon, cannot do jump - rope . Against her own preferences, she decides to help Angeline and gets Isabella to help Angeline too . </P> <P> Her family has a gathering at her house in which several of the teachers are invited . At this party, she learns that the mystery boyfriend of Aunt Carol is none other than Assistant Principal Devon, whom she soon learns is Angeline's "Uncle Dan" when he announces that he & Aunt Carol are engaged . This disturbs Jamie upon learning that she may end up being Angeline's cousin . Isabella then reveals that she started up a charity called the "Juvenile Optometry Federation" Jamie tells Angeline that she had taken her permanent record, but has returned it, Angeline in turn telling Jamie that she's still taking Hudson to the wedding . </P> <Ul> <Li> Emily Alyn Lind as Jamie Kelly <Ul> <Li> Katy Jensen as Adult Jamie </Li> </Ul> </Li> <Li> Mary - Charles Jones as Isabella </Li> <Li> Sterling Griffith as Angeline </Li> <Li> David Mazouz as Hudson Rivers </Li> <Li> Carson Oliver as Mike Pinsetti </Li> <Li> James Waterston as Assistant Principal Devon </Li> <Li> Laura Bell Bundy as Aunt Carol </Li> <Li> Jacque Gray as Miss Anderson </Li> <Li> Lea DeLaria as Ms. Bruntford </Li> <Li> Maddie Corman as Mrs. Kelly </Li> <Li> Jeffrey Hanson as Mr. Kelly </Li> <Li> Tom Markus as Mr Vandoy </Li> <Li> Duane Stephens as Coach Dover </Li> </Ul> <Li> Emily Alyn Lind as Jamie Kelly <Ul> <Li> Katy Jensen as Adult Jamie </Li> </Ul> </Li>

Who plays aunt carol in dear dumb diary