White-faced clown (7)
I believe the answer is:
pierrot
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">white-faced clown</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for pierrot that I've seen before include "Clown from French panto - tripe or what" , "he's white-faced at work" , "In French panto, clown with white face and baggy costume" , "Period; incantation" , "Sad white-faced clown" .)