Justin Long is an American actor and filmmaker, known for his roles in various films and television shows. He gained popularity for his performances in movies like Dodgeball: A True Underdog Story and Accepted. Long has also lent his voice to animated characters, including Alvin and the Chipmunks. In addition to acting, Justin Long has worked as a director and producer. He has appeared in television series such as New Girl and hosts a podcast called Life is Short with Justin Long. His versatile career spans both comedy and drama, showcasing his range as an entertainer.