Sean Bean stripped off playing Trojan hero (6)
I believe the answer is:
aeneas
'trojan hero' is the definition.
(I've seen this before)
'sean bean stripped off playing' is the wordplay.
'stripped off' indicates the central letters (the outer letters are stripped off).
'playing' is an anagram indicator.
The central letters of 'bean' are 'ea'.
'sean'+'ea'='seanea'
'seanea' is an anagram of 'AENEAS'.
(Other definitions for aeneas that I've seen before include "Mythical Greek warrior who undertook an epic journey" , "Virgil's Trojan hero" , "Legendary Trojan warrior" , "Legendary Trojan wanderer" , "Hero of Virgilian epic" .)