Final answer:
The person who holds a large microphone overhead so that actors can be heard is called a boom operator.
Step-by-step explanation:
The person who holds a large microphone overhead so that actors can be heard is called a boom operator. The boom operator is responsible for capturing the dialogue and sound effects on set by using a long pole with a microphone attached to the end, called a boom pole. This allows the actors to move freely without worrying about being heard by the audience.
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