“On a television set, there are typically several cameras angled at the set. Actors who are new to on-screen acting can get confused about which camera to look into.” TV actors need to learn to use lav mics (Lavaliere microphones). TV actors need to understand the concept of “frame”. “The term frame refers to the area that the camera’s lens is capturing.”Within the acting industry, there are four types of television roles one could land on a show. Each type varies in prominence, frequency of appearance, and pay.