Captain America portrayer Chris (5)
I believe the answer is:
evans
'captain america portrayer chris' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for evans that I've seen before include "Common Welsh surname" , "Female writer's real name" , "Lee --, British comedian" , "Dame Edith -, English actress" , "dame of acting fame" .)