The most common and most likely answer to this crossword clue is the 6 letter word MONROE
I've seen this crossword clue in Financial Times
M
O
N
R
O
E
More clues leading to the result MONROE
- Astronomer has star confused with this star, oddly
- Actress, who is no more, sadly
- Some rising belle or no mean US actress?
- Extra without name interrupted by old film star
- Singer Matt beginning to entertain American actress<
- President and film star entangled no more
- NE room was refurbished for actressMortenson
- Marilyn is no more confused
- How week begins, with caviar for the president
- President is liberal no more
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.