actor vs somebody

actor and somebody both are nouns.

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

actor (noun)	somebody (noun)
a theatrical performer	a human being; person, singular, assertive existential pronoun; pronoun, person, singular; quantifier: assertive existential
a person who acts and gets things done