How do you build a character as an actor?

Building a character means getting from words on a page to a specific human being who could only have said them. There is no single correct method, and actors argue about this more than almost anything. But the work that holds up tends to follow the same broad order: gather what the writer gave you, figure out what the person wants, fill in what is missing, and then find how all of that lives in a body and a voice.

The process below works for a lead in a play and, compressed, for two pages of audition sides. Take it in order the first few times. Later you will find yourself doing several steps at once.

Start with the facts in the text

Read the whole script, more than once, and pull out every fact about your character. Age, job, family, where they live, what they have done, what has happened to them. Write the facts on a sheet of their own. This is the foundation, and everything you build later has to stand on it. For a method for those reads, see how to read a script as an actor.

These facts are the given circumstances, and they are not negotiable. If the script says your character has a stammer, served in the navy or has never left her hometown, that is the starting point, whatever your first instinct about the part was. Actors who skip this step often build an interesting person who simply is not the one in the script.

Pay attention to what your character does, as well as what they say. Actions are the most reliable evidence. In Casablanca, Rick makes a point of telling people he takes no risks for anyone. Then a young Bulgarian wife asks his advice about trading herself for exit visas, and he quietly fixes his own roulette table so her husband wins the money instead. What he did tells you more than anything he said.

What other people say about them

Go back through the script and note every line where another character describes yours. Who says it, and why? Rick plays the cynic, but Captain Renault, who likes him and watches him closely, brings up his past: running guns to Ethiopia, fighting on the Loyalist side in Spain. Renault suspects a sentimentalist under the shell. An actor who takes Rick only at his own word plays half the man. The gap between how your character sees themselves and how others see them is where a lot of the character lives.

Then look at what your character says about others. People describe themselves constantly through how they describe the people around them: what they notice, what they forgive, what they cannot stand. The way Rick brushes off Ugarte, the small-time crook who profits from desperate refugees, tells you what he is trying not to feel.

What does the character want?

Wants drive everything an actor does on stage or screen. Work on two levels. First, scene by scene: in each scene, what does your character want from the other person? Phrase it as something they could give you. "I want her to forgive me" is playable; "I want to feel at peace" is not. More on this in what an objective is.

Second, across the whole story: what does this person want from life, underneath all the scene-by-scene wants? Stanislavski called this the super-objective. A useful version of it connects the small wants into one shape. In Good Will Hunting, Will spends scene after scene pushing people away: he mocks the therapists sent to help him, sabotages the job interviews set up for him, and ends things with Skylar when she asks him to come to California with her. One reading of his larger want is to never be left again, so he leaves first. The script may never state that larger want anywhere, and it still does real work: it makes the scenes hang together.

How much backstory do you need?

Less than you think, and more specific than you think. The rule that saves the most time is simple: invent only where the text is silent, and invent only what changes how you play.

Useful backstory is concrete and connected to the scenes. The script tells you Will was abused in foster homes. That fact explains a lot, but the actor still needs something more specific to play: one memory, one room, one face, is better than a general sense of a difficult childhood. If your character is a surgeon, knowing what her hands feel like after a long operation is useful. Knowing her favorite color probably is not, unless something in the script makes it so.

A good test for any piece of backstory: does it give me something to do, or make a line mean something? If yes, keep it. If it is just decoration, let it go. Beware also of backstory that softens a character. Actors sometimes invent a sad history to make a cruel character sympathetic, and the result is a performance apologizing for the part.

Uta Hagen's nine questions are a well-tested framework for this stage, covering who you are, where, when, what you want and what is in the way. They are laid out in full in Uta Hagen's nine questions.

Body, voice and habits

At some point the character has to leave your head and arrive in your body. Some useful questions:

• Tempo. Does this person move and think quickly or slowly? Is their outer tempo the same as their inner one? A character who moves slowly and thinks fast is a very different person from the reverse.
• Center. Where does their body seem to lead from: head, chest, belly, hips? Try walking around the room leading from each and notice what changes in how you feel.
• Tension. Where do they hold it? Jaw, shoulders, hands? What happens to it under pressure?
• Voice. Pitch, pace, volume, accent, how much breath they take. How do they speak to people they fear, and to people they look down on?
• Habits. One or two specific, repeatable behaviors: how they hold a cup, what they do with their glasses, whether they finish other people's sentences. One true habit is worth more than a dozen tics.
• Clothes and shoes. Rehearse in shoes as close to the character's as you can. A stiff dress shoe or a worn sneaker changes your walk immediately.

Ground these choices in the facts. A retired dancer, a farmer and an accountant who has sat at a desk for thirty years carry their histories in different places. Michael Chekhov's approach, which works through imagined images and physical gesture, has a lot of tools for this stage; see the Chekhov technique.

Relationships and point of view

For every other character your character meets, decide what that person means to yours. What do they want from each other? What is the history? What does your character wish the relationship were? Rick speaks to Sam, to Renault and to Ilsa in three different ways: easy trust with the first, sparring with the second, and with the third, wounded pride that keeps cracking.

Then step back and settle on your character's point of view: how they see the world. Is it fair? Are people basically trustworthy? What is the worst thing that could happen? Two characters can live through the same event and come away with opposite conclusions, and that difference shapes how each of them reads every room they walk into. A strong point of view is often what makes a character feel like a specific person and less like a set of traits.

Inside-out or outside-in?

Acting teachers often split approaches into two directions. Inside-out work starts with the psychology: thoughts, wants, memories, feelings. Once those are vivid, the body and voice are expected to follow naturally. Outside-in work starts with the external: a walk, a voice, a costume, a posture. Once that is in place, the inner life grows to match.

Both work, and most actors use both, depending on the role and the day. If you understand a character intellectually but cannot find them physically, try starting from the outside: change your walk and see who shows up. If you have a striking external shape but it feels hollow, go back to the wants and the history. Each direction tends to catch what the other one misses.

How do you get into character before a take?

Getting into character on the day is less mystical than it sounds. In practice, most actors do some combination of the following in the minutes before a scene.

Recall the moment before. What was the character doing just before the scene starts, and what do they want as it begins? This is the single most reliable way to start alive.

Put on the body. Find the walk, the center, the tension. Many actors have a physical trigger, such as a particular way of standing, that brings the character back quickly.

Run a private ritual. A piece of music, a phrase the character would say, an object in your pocket. Anything repeatable that helps you cross over.

How long you stay in character between takes is a personal choice, and actors do it very differently. Some stay close to the character all day; many drop it the moment the director calls cut and come back in with their ritual. Be wary of any version that makes you hard to work with. The crew and your scene partners are real people even when your character is not. A useful way of asking all of this, in the moment, is Stanislavski's magic if: if I were this person, in this place, right now, what would I do?

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