The most common and most likely answer to this crossword clue is the 10 letter word NEWSCASTER
I've seen this crossword clue in Financial Times
N
E
W
S
C
A
S
T
E
R
More clues leading to the result NEWSCASTER
Buddy explains!
The straight part
We know that "he’s seen on TV" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case he’s seen on tv = newscaster.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does NEWSCASTER mean?
NEWSCASTER noun- One who delivers the news for broadcast on television, radio, etc; a newsreader.