In this case, I had a callback that doubled as a chemistry read. First, the terms: A callback is basically a second audition. After the people casting a project have seen everyone they are interested in, they will have a portion of those people come back and audition again. But a callback is not a chance to go in a different direction or try something new. You are expected to do exactly what you did the first time, which includes wearing the same clothes. And you are always expected to be ready to take direction. A chemistry read usually comes along later in the casting process, when they have already…