The definition of an actor is a person who does something, particularly someone who performs in a film or television show.(noun)
John Travolta and Johnny Deep are each an example of an actor.
See actor in Webster's New World College Dictionary
Origin: ME actour, a doer, steward, plaintiff < L actor, a doer, advocate < actus: see act
See actor in American Heritage Dictionary 4
Origin: Middle English actour, doer
Origin: , probably from Latin āctor
Origin: , from āctus
Origin: , past participle of agere, to drive, do; see ag- in Indo-European roots.
Learn more about actor