nondescript vs actor

nondescript and actor both are nouns.

Word	Noun	Adjective	Verb	Adverb
nondescript	Yes	Yes	No	No
actor	Yes	No	No	No

As nouns, actor is a hypernym of nondescript; that is, actor is a word with a broader meaning than nondescript:

Other hypernyms of nondescript include doer, worker.

nondescript (noun)	actor (noun)
a person who is not easily classified and not very interesting	a theatrical performer
	a person who acts and gets things done

nondescript (adjective)	actor (adjective)
lacking distinct or individual characteristics; dull and uninteresting