The most common and most likely answer to this crossword clue is the 10 letter word PERFORMERS
I've seen this crossword clue in The Daily Telegraph
P
E
R
F
O
R
M
E
R
S
More clues leading to the result PERFORMERS
Buddy explains!

The straight part
We know that "Actors" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case actors = performers.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 PERFORMERS mean?
PERFORMERS noun- One who performs for, or entertains, an audience.
- One who performs or does anything.