- Required to properly synchronize lip movements, voice pitch, tone, and silence with gestures and body language of the character, so depicted on the screen.
- Should be skilled enough to convey all emotions, through his/her voice and create perfect sync with the visuals.
- Skilled in voice modulation.
- Possess consistency in volume, energy, pacing, articulation, and characterization in eye-brain-mouth coordination.
- Other necessary essentials are clarity, consistency, conversation, coordination, characterization, and convincing.