An actor is a professional who involves in dramatic production like movies, television series, or even a radio channel. They basically catch a dramatic character.
Career in acting began during the period of ancient Greece, where such professionals were not regarded as people of high status, in contrast to today's world where professionals like actors and directors are regarded as high profile people. Actors in today's world demand tremendous talent in the field of acting and drama with excellent communication skills and skills which appeal to the general public. They must be able to portray themselves on and off the screen in terms of psychologically and emotionally.
Though it is a complex art, a formal training in theatrical skills would suffice for the job, depending upon the performance while testing the skills. Drama school training is mandatory for high level actors.