James David Maslow (born July 16, 1990) is an American actor and singer. He is best known for playing the role of James Diamond on Nickelodeon's Big Time Rush, and is a member of the boy band with the same name.
Maslow was born in New York, and raised in LaJolla, California. Maslow began training as a singer at the age of 6 when his parents made him sing in the San Diego Children's Choir. He attended La Jolla and Torrey Pines elementary schools, Muirlands Middle School, and San Diego School of Creative and Performing Arts He had a small role in the San Diego Opera's production of La boheme when he was 10 years old. He attended acting camp at the La Jolla Playhouse, got his first agent when he was 14, and in high school starred as Danny Zuko in Grease and as Maurius in Les Miserables. He quit the School of Creative and Performing Arts mid-way through the 10th grade and switched to Coronado School of the Arts.
He made his television debut as Shane in the iCarly episode "iSaw Him First". He has a scar on his elbow, which he received while performing a hockey-related stunt for the first episode of Big Time Rush.
Maslow is Jewish. In an interview with Clevver TV, when asked his favorite holiday, he replied Hanukkah.