Joseph Gordon-Levitt is an American actor and filmmaker. He is known for his roles in films such as "(500) Days of Summer", "Inception", "Looper", "The Dark Knight Rises", "Don Jon" (which he also wrote and directed), and "Snowden". He has received several awards and nominations, including a Golden Globe Award nomination for his performance in "(500) Days of Summer". Gordon-Levitt started his acting career as a child, appearing in television shows and movies. He gained wider recognition in the late 1990s for his role as Tommy Solomon in the sitcom "3rd Rock from the Sun". After taking a break from acting to study at Columbia University, he returned to the screen with more mature roles, establishing himself as a versatile and respected actor. In addition to acting, Gordon-Levitt is also the founder of HitRecord, an online collaborative media platform.