An actor is a person who plays a role in theater, cinema or television. Films and entertainment Actor (album), a 2009 album by St. Vincent Actor (1978 film), a 1978 TV movie by American director Norman Lloyd Actor (1993 film), a 1993 film by Iranian director Mohsen Makhmalbaf Actor (2016 film), an Indian Kannada psychological thriller A Screen Actors Guild Award, also known as the Actor Science and computing Actants, also called "actors", in actor-network theory (a general theory of sociological behaviour), the one who performs the act In Interactions of Actors Theory, excitations in any medium able to produce action, a theory of cybernetics Actor (UML), in requirements analysis and UML Actor model, in concurrency, refers to a model of concurrent computation Actor (programming language), an early object-oriented programming integrated development environment (IDE) for the Windows operating system Actor, one of the two semantic macroroles in Role and reference grammar Other uses 12238 Actor, Jovian asteroid Actor, a person who performs an action in a 'real-world', non-theatrical situation Actor (law) Actor (mythology), in Greek mythology, refers to a number of characters, including the father of Menoetius and Astyoche Actor (policy debate), the entity that enacts a certain policy action ACTOR (A Commitment to Our Roots), former name of The Hero Initiative "Actor", a 2015 song by Joker Xue Backhoe, part of a digging machine, sometimes called "back actor" See also State actor Non-state actor The Actor (disambiguation) Actress (disambiguation) Dramatis personæ