The most common and most likely answer to this crossword clue is the 10 letter word CINEMAGOER
I've seen this crossword clue in Financial Times
C
I
N
E
M
A
G
O
E
R
More clues leading to the result CINEMAGOER
Buddy explains!
The straight part
We know that "One paying to see Ms Thompson half- heartedly featuring in Nic Roeg drama?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case one paying to see ms thompson half- heartedly featuring in nic roeg drama? = cinemagoer.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 CINEMAGOER mean?
CINEMAGOER noun- One who visits a cinema in order to watch a film.