screen actor vs actor

screen actor and actor both are nouns.

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

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

Other hypernyms of screen actor include histrion, player, role player, thespian.

screen actor (noun)	actor (noun)
an actor who plays a role in a film	a theatrical performer
	a person who acts and gets things done