<Li> Jack Black as Sheldon "Shelly" Oberon, a cartographer, cryptographer, archaeologist, and paleontologist who is Bethany's avatar . <Ul> <Li> Madison Iseman as Bethany Walker, a pretty, popular, self - centered teenage girl at Brantford High School </Li> </Ul> </Li> <Ul> <Li> Madison Iseman as Bethany Walker, a pretty, popular, self - centered teenage girl at Brantford High School </Li> </Ul> <Li> Madison Iseman as Bethany Walker, a pretty, popular, self - centered teenage girl at Brantford High School </Li> <Li> Kevin Hart as Franklin "Mouse" Finbar, a zoologist and weapons specialist who is Fridge's avatar . <Ul> <Li> Ser'Darius Blain as Anthony "Fridge" Johnson, a Brantford High School football jock coasting on his athletic prowess who cares more about dating than studying . </Li> </Ul> </Li>

Who plays bethany in jumanji welcome to the jungle