actor vs thespian

actor and thespian both are nouns.

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

As nouns, actor and thespian are synonyms defined as:

Other synonyms of actor include histrion, player, role player.

actor (noun)	thespian (noun)
a theatrical performer	a theatrical performer
a person who acts and gets things done

actor (adjective)	thespian (adjective)
	of or relating to drama