Jordan Nagai (born February 5, 2000) is an American student and former child voice actor. He is best known for his voice role as Russell in Up (2009). He is a graduate of Washington University in St. Louis, MO. Jordan Nagai (born February 5, 2000) is an American student and former child voice actor. He is best known for his voice role as Russell in Up (2009). He is a graduate of Washington University in St. Louis, MO.