talking head
slang A person who is filmed in closeup while talking about some topic, especially for an interview, documentary, news report, etc. He always has the same talking heads on his show to talk about recent political events. The documentary relies way too much on talking heads instead of showing actual footage from the incident.
talking head
n. a television news reader or announcer whose head and neck appear on the screen. (see also meat puppet.) I’ve had it with talking heads. I can read the paper and learn as much in twenty minutes.