Some popular celebrities that we cherish today got their start after landing that breakthrough role on Nickelodeon, starring on shows you and I loved to watch! After becoming well-known and liked by tons of fans, many former Nick stars have gone on to build strong careers while showcasing their different talents. I was indeed curious about who became more successful after having a starring role in a Nick show, so I decided to look into it more. Here are some well-known actors/actresses that first found fame with Nickelodeon!