The most common and most likely answer to this crossword clue is the 6 letter word EXTRAS
I've seen this crossword clue in Independent
E
X
T
R
A
S
More clues leading to the result EXTRAS
- Unusually small bit players
- Perhaps bye-bye kiss stops tears flowing?
- Old star in a scrum bit players
- 5 minor players?
- Minor members of cast say bye-bye
- We make a crowd? Divorcees grabbing pictures, say, back
- Runs from former wife’s threats, oddly
- Yesterday’s star performing as uncredited cast
- Unattributed element in score for temporary players
- They won’t top the bill, in any form
Buddy explains!

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 EXTRAS mean?
EXTRAS noun- Something additional, such as an item above and beyond the ordinary school curriculum, or added to the usual charge on a bill.
- An extra edition of a newspaper, which is printed outside of the normal printing cycle.
- A run scored without the ball having hit the striker's bat - a wide, bye, leg bye or no ball.
- A supernumerary or walk-on in a film or play.
- Something of an extra quality or grade.