* Many successful actors and actresses never appeared on Disney Channel. There are countless stars who made their mark in other ways - through theater, independent films, or even starting their careers later in life.
* Disney Channel is just one platform. While it's a popular launchpad, there are many other avenues for aspiring actors, such as other TV networks, Broadway, film festivals, and more.
* Success depends on talent and opportunity. Being on Disney Channel can be a great springboard, but it doesn't guarantee stardom. Talent, hard work, and a bit of luck are essential ingredients for any successful career.
So, to answer your question directly: No, stars don't have to be on Disney Channel. It's just one of many paths to stardom!