You can join any Drama classes. Drama classes can introduce students to performing, different methods and schools of thought in acting, writing their own material, and different approaches to characters, along with stage and costume design. Continue going on auditions and working as much as possible in the acting world. Act as much as possible, in as many roles as possible. Build up a resumé filled with a variety of performances, including theater productions, commercials, working as an extra, music videos and anything else that gets attention.

Good Luck!