expert vs actor

expert and actor both are nouns.

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

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

Other hypernyms of expert include doer, worker.

expert (noun)	actor (noun)
a person with special knowledge or ability who performs skillfully	a theatrical performer
	a person who acts and gets things done

expert (adjective)	actor (adjective)
having or showing knowledge and skill and aptitude
of or relating to or requiring special knowledge to be understood