and other casting resources like casting agents need to have an eye for easily telling whether or not an actor is right for a particular part. This is one major factor which helps one agent have an edge over the other. They need to know everything during the auditions from who can act and speak with the proper accent to who can sing or dance. The alertness required is something that needs to be honed as a skill for the most efficient casting process.
Apart from this a casting director should have a good memory so that they can refer to their database and know where all to make the movie casting calls. If the calls are right the entire audition process turns out to be very profitable as the right matches are called. Also the casting crew should know how to make the actors relax so that fresh talent can exhibit their best skills and get noticed by the