Redgrave appearing disguised as Evans (7)
I believe the answer is:
vanessa
'redgrave' is the definition.
Both the definition and answer are singular nouns.
Maybe they are linked in a way I don't understand?
'disguised as evans' is the wordplay.
'disguised' is an anagram indicator.
'as'+'evans'='asevans'
'asevans' anagrammed gives 'VANESSA'.
'appearing' acts as a link.
Can you help me to learn more?
(Other definitions for vanessa that I've seen before include "Girl's name; red admiral, painted lady genus" , "Red admiral butterfly" , "Girl's name - butterfly genus" .)