"Carrie" star Spacek (5)
I believe the answer is:
sissy
'carrie star spacek' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for sissy that I've seen before include "Unmanly man" , "Weakling" , "Feeble and effeminate" , "wet" , "Effeminate man" .)