Word Origin a person who acts in stage plays, motion pictures, television broadcasts, etc. a person who does something; participant. Origin of actor 1350–1400; Middle English
-tor -tor Related forms non·ac·tor, noun
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for non-actor a person who acts in a play, film, broadcast, etc informal a person who puts on a false manner in order to deceive others (often in the phrase bad actor) usage
actor is almost universally used nowadays to refer to people of either gender who act
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Word Origin and History for non-actor n.
late 14c., "an overseer, guardian, steward," from Latin
actor "an agent or doer," also "theatrical player," from past participle stem of agere (see act (n.)). Mid-15c. as "a doer, maker," also "a plaintiff." Sense of "one who performs in plays" is 1580s, originally applied to both men and women.
Online Etymology Dictionary, © 2010 Douglas Harper