Jackie Cook (Tessa Thompson)Jackie Cook is a student at Neptune High School. She is the daughter of legendary Neptune Sharks baseball player Terrence Cook.Although she self-consciously portrays herself as a spoiled, carefree, rich 09er girl of sorts because of who her father is, her background is murkier than she lets on to others at Neptune High.Jackie, who is very attractive and smart, becomes close to Wallace Fennel. She and Veronica dont take to each other as easily and often butt heads much to Wallace's dismay.