How to Build Chemistry With a Scene Partner You Just Met

The first rehearsal ends, and the director introduces you to the person you’ll be married to for the next six weeks. You shake hands. They seem nice. You know their name, roughly where they trained, and that they take their coffee black. By opening night, an audience has to believe you’ve shared a bed and a mortgage for twenty years.

Or it’s a film, and you meet your on-screen brother at the craft services table twenty minutes before the scene where you bury your father together.

The short version: chemistry on stage or screen is mostly two people paying close attention to each other. You can build it on purpose. Spend a little time together as people, agree on a shared history, look at your partner instead of the page, make the room safe enough to take risks, and let what they do change what you do. None of that requires you to like them, and none of it requires a spark.

Chemistry is attention, not attraction

From the audience’s seat, chemistry looks like two people who are affecting each other. One says something, and the other one visibly takes it in before answering. That is a skill, not a mystery.

The research on how actors work points the same way. The APS Observer’s summary of Helga and Tony Noice’s studies describes good actors as not thinking about their lines; they feel their character’s intention in reaction to what the other actors do. The piece quotes Michael Caine putting it more simply: “You take it off the other actor’s face.”

It also helps to know that plenty of working actors don’t trust chemistry exercises. Talking about All of Us Strangers, Paul Mescal said he didn’t think they did any exercises and that he isn’t convinced they work, according to Total Film’s interview. His co-star Andrew Scott added that sometimes “chemistry is built in the audience” and in the scenario you’re in.

That’s freeing. If the scene is well written and you’re both truly listening, the audience will do some of the work for you. Your job is to give them something real to watch.

Spend time together as people before you’re characters

The fastest way to stop being strangers is the boring one: talk. In a Film Companion roundtable on chemistry, the actor Kathir describes spending two hours with new co-actors before a shoot. “We didn’t rehearse lines, we were just talking.”

There’s a well-known piece of research behind why talking works, if it’s the right kind. In a 1997 study by Arthur Aron and colleagues, pairs of strangers took turns asking each other 36 questions that got gradually more personal, in three sets. As UC Berkeley’s Greater Good in Action describes it, the practice takes about 45 minutes, and those pairs reported a bigger increase in closeness than pairs who asked each other 36 superficial questions.

You don’t need to run the full set with a castmate. The later questions are designed to get very personal, and a rehearsal room isn’t a date. But the shape is worth stealing: take turns, answer honestly, and go a little deeper than small talk. A first-set question like “What would constitute a ‘perfect’ day for you?” is a fine place to start.

A few questions that work well over a coffee before rehearsal:

• What’s the first play or film that made you want to do this?
• What’s a part you’d love to play one day, and why that one?
• Who in your own life reminds you of the person you’re playing?
• What’s the thing you’re most nervous about in this show?
• What helps you when you go up on a line, and what doesn’t?

The last two matter most. Admitting a nerve to a partner, and telling them how to help you, is a small act of trust. It also means you’ll know what to do for each other the first time something goes wrong.

Agree on a shared history your characters already have

Your characters usually know each other far better than you do. A married couple has years of private jokes, old fights, and things they never say out loud. If each actor quietly invents their own version, you end up playing two different marriages in the same scene.

A common approach is to build that history together, out loud, before you rehearse the scene. Sit down with your partner and agree on a handful of specific shared memories:

1. How and where the characters first met, and what each one thought of the other that day.
2. The best day they’ve had together, with one concrete detail (the weather, the food, a song).
3. The worst fight they’ve had, and how it ended, or whether it ever did.
4. One thing each character knows about the other that nobody else does.
5. What changed between them just before the play starts.

Keep it short and specific, and stay inside what the script says. Check anything you invent with the director, who may already have ideas about the relationship. Our guides to building a character backstory and given circumstances go deeper on reading the script for clues.

Then use it. When your partner’s character says “You always do this,” you both know which time they mean. That shared picture is what lets a look across the stage carry a whole history.

Look at your partner, not the page

It sounds obvious, but a huge amount of missing chemistry is just two actors looking at their scripts, the floor, or the spot where they’ll move next. You can’t react to a face you aren’t watching.

Eye contact also does something on its own. In a 1989 study by Kellerman, Lewis, and Laird, summarized by the Florida Institute of Technology, pairs of strangers either gazed at each other’s hands or eyes, or spent two minutes counting the other person’s blinks. Pairs who looked into each other’s eyes reported more attraction, interest, and warmth, but only when both people were looking.

That last detail is the useful one for actors. It isn’t your gaze that does the work; it’s the gaze you both share. You can’t hold that if one of you is still searching for the next line.

So get the words off the page early, and get them solid enough that your eyes are free. In Offbook, you can hide your own lines while everyone else’s stay on screen, swap them for first-letter cues while you’re still learning, then hide the whole script for a final test. Realistic voices read the other parts and wait for you, so by the time you’re back in the room with your partner, you can spend the scene looking at them.

Let what they give you change what you give back

Chemistry falls apart when one actor has rehearsed a fixed performance at home and plays it no matter what their partner does. It comes alive when each line lands on the other person and changes the answer.

Here are two strangers meeting in Shaw’s Arms and the Man. A soldier on the run has climbed into Raina’s bedroom, and she has just learned his pistol isn’t loaded:

RAINA: Load it by all means.

MAN: I’ve no ammunition. What use are cartridges in battle? I always carry chocolate instead; and I finished the last cake of that yesterday.

RAINA: [outraged in her most cherished ideals of manhood] Chocolate! Do you stuff your pockets with sweets—like a schoolboy—even in the field?

MAN: Yes. Isn’t it contemptible?

Bernard Shaw, Arms and the Man (1894), Act I, from the Project Gutenberg text

On the page, “Yes. Isn’t it contemptible?” is almost nothing. Everything depends on how Raina’s “Chocolate!” arrives. If she’s furious, his line can be a tired shrug. If she’s comically scandalized, he can tease her. If she’s close to laughing, he can join her. The audience reads the beginning of their relationship in that one exchange, and neither actor can play it alone.

To train it, run a short scene several times with your partner and agree that one of you will change the delivery every time: louder, quieter, faster, warmer, colder. The other’s only job is to let each version change their answer. The Meisner repetition exercise builds the same reflex, and our guide on how to listen on stage has more drills.

Make the room safe enough to take risks

Real chemistry needs risk: standing closer than is comfortable, touching, holding a look a beat too long. Actors only commit to those things when they trust the person opposite them, and trust comes from clear agreements, not from hoping for the best.

Paul Mescal and Daisy Edgar-Jones met for the first time after Mescal had already been cast in Normal People. In W Magazine’s interview, Edgar-Jones credits intimacy coordinator Ita O’Brien with letting her focus on the “acting part of it.” The structure around the intimate scenes freed the actors to play them.

On stage, some theater programs build those agreements into every rehearsal. Utah Valley University’s theatrical intimacy policy is one example. It includes:

• A word anyone can say to hold rehearsal while a concern is sorted out (it notes that Theatrical Intimacy Education recommends “button”).
• A boundary check at the start of each rehearsal, with permission asked for touch.
• A placeholder, such as a high-five, standing in for a kiss or other intimate contact when partners rehearse without an intimacy choreographer or another person present.

Even on a show with no intimacy at all, the habit carries over. Ask before you touch, say what’s fine and what isn’t, and check in after a big scene. Partners who feel safe with you take more risks with you, and risk is what the audience reads as chemistry. Our guide to working with an intimacy coordinator covers the professional process.

When there’s no spark

Sometimes you just don’t click. Your partner is perfectly professional, and the two of you have nothing in common. That’s normal, and it isn’t fatal. Edgar-Jones described what she and Mescal shared as a very similar understanding of how their characters communicate and the kind of humor they have. That’s a useful target, because it’s about the characters, and you can build it in rehearsal even without a natural rapport.

A few things that help when it isn’t coming easily:

• Play your objective harder. If your character wants the other one to stay, try to make them stay, line by line. Our guide to finding your objective walks through it. Wanting something from a person reads as connection.
• Find one thing you genuinely admire about your partner as an actor, and watch for it in every scene.
• Ask them what they need from you in a specific moment: a look before a cross, a held beat, a hand on the shoulder.
• Keep problems off the rehearsal floor. Take any real conflict to the director or stage manager privately.

And don’t confuse chemistry with an offstage relationship. You don’t have to become friends, and you certainly don’t have to date. You have to listen, react, and keep your agreements. That’s enough for an audience to believe you.

A first-week plan with a new partner

1. Day 1: have a coffee and trade a few real answers to the questions above. Tell each other what helps when you go up.
2. Day 2: build the shared history together, and check it with the director.
3. Days 3 to 4: get the scene off the page so your eyes are free in the room.
4. Day 5: run the scene several times, with one partner changing the delivery each time.
5. Every day: set boundaries at the start of any scene with touch, and check in at the end.

Questions actors ask

How do actors create chemistry with someone they just met?

Mostly by paying close attention to each other. Spend some time talking as people before rehearsing, agree on a shared history for your characters, look at your partner rather than the script, and let each of their lines change how you answer. Clear agreements about touch make it easier for both of you to take risks.

What if I have no chemistry with my scene partner?

Play your objective: try to get something specific from the other character on every line. Find one thing you admire about your partner’s work, and ask what they need from you in key moments. You don’t have to like each other offstage for an audience to believe the relationship.

Do chemistry exercises actually work?

Opinions vary. Some actors and directors use them; others, like Paul Mescal, have said they aren’t convinced. The habits underneath most exercises are what matter: time spent talking, shared eye contact, and responding to what your partner actually does.

Is this the same as preparing for a chemistry read?

Not quite. A chemistry read is a callback where you may have only minutes with your partner, so the focus is on knowing the scene cold and reacting in the room. Our guide to what a chemistry read is covers that. This guide is about the weeks after you’re cast.