James David Maslow (born July 16, 1990) is an American actor and singer. He played the role of James Diamond on Nickelodeon's Big Time Rush and is a former member of the boy band with the same name. He also starred as Kevin Mohr on the Sony Crackle original series Sequestered. In 2014, Maslow competed as a contestant on the eighteenth season of Dancing with the Stars, in which he reached fourth place. In 2018, Maslow was cast as one of the celebrity houseguests on the first American edition of Celebrity Big Brother where Maslow finished in 6th place.