<Li> Nick Jonas as Jefferson "Seaplane" McDonough, a young aircraft pilot in Jumanji who is Alex Vreeke's avatar <Ul> <Li> Mason Guccione as Alex Vreeke, a teenage gamer who played (and was trapped inside) the Jumanji video game for 20 years . Colin Hanks plays the adult Alex when he appears 20 years later . </Li> </Ul> </Li> <Ul> <Li> Mason Guccione as Alex Vreeke, a teenage gamer who played (and was trapped inside) the Jumanji video game for 20 years . Colin Hanks plays the adult Alex when he appears 20 years later . </Li> </Ul> <Li> Mason Guccione as Alex Vreeke, a teenage gamer who played (and was trapped inside) the Jumanji video game for 20 years . Colin Hanks plays the adult Alex when he appears 20 years later . </Li> <Ul> <Li> Bobby Cannavale as Russel Van Pelt, a former archeologist - turned - mercenary and an enemy of Smolder Bravestone . He tries to retrieve the Jaguar's Eye, whose power possesses him . </Li> <Li> Rhys Darby as Nigel Billingsley, the main guide </Li> <Li> William Tokarsky as a food vendor </Li> <Li> Rohan Chand as a young guide at the bazaar </Li> </Ul>

Who plays old alex in the new jumanji