man of action vs actor

man of action and actor both are nouns.

Word	Noun	Adjective	Verb	Adverb
man of action	Yes	No	No	No
actor	Yes	No	No	No

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

Other hypernyms of man of action include doer, worker.

man of action (noun)	actor (noun)
someone inclined to act first and think later	a theatrical performer
	a person who acts and gets things done