actor vs Dudley Stuart John Moore

actor and Dudley Stuart John Moore both are nouns.

Word	Noun	Adjective	Verb	Adverb
actor	Yes	No	No	No
Dudley Stuart John Moore	Yes	No	No	No

actor (noun)	Dudley Stuart John Moore (noun)
a theatrical performer	English actor and comedian who appeared on television and in films (born in 1935)
a person who acts and gets things done