Darlene D. answered 3d
Professional TV & Film Actress | Audition & On-Camera Acting Coaching
The good news is that every actor starts without professional credits. The key is to stop thinking of experience as something you can only get after someone hires you. You can begin building experience before you ever book a professional job.
I’ve worked professionally in film, television, and theater for more than 25 years, and my advice is to begin with training. Find a strong acting class where you are consistently working on scenes, learning how to analyze material, making specific choices, and working opposite other actors. If film and television are your goal, I would also study on-camera technique.
Then start creating opportunities to actually perform. Student films, independent projects, short films, theater productions, staged readings, and other legitimate opportunities can give a beginning actor valuable experience. You are not simply trying to collect credits...you are learning how to work with other actors, take direction, make adjustments, prepare consistently, and become comfortable performing under pressure.
I also believe actors should practice their craft even when they don't have an audition. Work on scenes. Read scripts. Find a scene partner. Record yourself and watch your work objectively. The more you practice, the less an audition feels like a rare, terrifying event and the more it becomes another opportunity to do what you've already been training to do.
When you have developed your craft, you can begin building your professional materials: strong headshots, a résumé, and eventually footage that represents you well. Those materials can help you pursue auditions and, when you're ready, representation.
One thing I would not recommend is waiting for someone to "give" you permission to become an actor. Start becoming one now. Train, practice, create opportunities to work, and keep developing your craft. The professional credits come later..the work begins long before them.