Star actor's recast... (6)
I believe the answer is:
castor
'star' is the definition.
(Castor is an example)
'actor's recast' is the wordplay.
'recast' indicates an anagram.
'actors' with letters rearranged gives 'CASTOR'.
(Other definitions for castor that I've seen before include "Twin to Pollux" , "One star" , "Furniture wheel; sort of oil" , "Pollux's twin" , "Superfine baker's sugar" .)