Agent vs. Actor — What's the Difference?

A person who acts on behalf of another person or group

An actor is a person who portrays a character in a performance (also actress; see below). The actor performs "in the flesh" in the traditional medium of the theatre or in modern media such as film, radio, and television.

A person or thing that takes an active role or produces a specified effect

A person who behaves in the manner of a character, usually by reciting scripted dialogue, in order to entertain an audience, especially in a play, movie, or television show.

One that acts or has the power or authority to act.

One who takes part; a participant

One empowered to act for or represent another

One, such as the manager of a business, who acts for another.

A means by which something is done or caused; an instrument.

In civil law, the plaintiff in an action.

A force or substance that causes a change

Someone who institutes a legal suit; a plaintiff or complainant.

A representative or official of a government or administrative department of a government

(obsolete) Someone acting on behalf of someone else; a guardian.

A spy.

Someone or something that takes part in some action; a doer, an agent.

(Linguistics) The argument that expresses the means or cause of an action or event described by a phrase or clause. The noun John is the agent in the clause John threw the ball.

A person who acts a part in a theatrical play or (later) in film or television; a dramatic performer.

To act as an agent or representative for

An advocate or proctor in civil courts or causes.

To act as an agent or representative.

(grammar) The subject performing the action of a verb.

One who exerts power, or has the power to act

(software engineering) The entity that performs a role (in use case analysis).

One who acts for, or in the place of, another (the principal), by that person's authority; someone entrusted to do the business of another

One who acts, or takes part in any affair; a doer.

A person who looks for work for another person

A theatrical performer; a stageplayer.

Someone who works for an intelligence agency

An advocate or proctor in civil courts or causes.

An active power or cause or substance; something (e.g. biological, chemical, thermal, etc.) that has the power to produce an effect

A theatrical performer

(computing) In the client-server model, the part of the system that performs information preparation and exchange on behalf of a client or server. Especially in the phrase “intelligent agent” it implies some kind of autonomous process which can communicate with other agents to perform some collective task on behalf of one or more humans.

A person who acts and gets things done;

(grammar) The participant of a situation that carries out the action in this situation, e.g. "the boy" in the sentences "The boy kicked the ball" and "The ball was kicked by the boy".

(gambling) A cheat who is assisted by dishonest casino staff.

Acting; - opposed to patient, or sustaining, action.

One who exerts power, or has the power to act; an actor.

One who acts for, or in the place of, another, by authority from him; one intrusted with the business of another; a substitute; a deputy; a factor.

An active power or cause; that which has the power to produce an effect, such as a physical, chemical, or medicinal agent; as, heat is a powerful agent.

A chemical substance having biological effects; a drug.

An active and efficient cause; capable of producing a certain effect;

A substance that exerts some force or effect

A representative who acts on behalf of other persons or organizations

A businessman who buys or sells for another in exchange for a commission

Any agent or representative of a federal agency or bureau

The semantic role of the animate entity that instigates or causes the hapening denoted by the verb in the clause