‘Spider-Man: Brand New Day’: What Marvel’s Longtime Casting Director Wants Actors to Know

Spider-Man: Brand New Day posted one of the biggest opening weekends of all-time, and behind that casting sits one name: Sarah Halley Finn.

She’s cast every Marvel Studios film since the original Iron Man in 2008, including all four Tom Holland Spider-Man movies, and she also cast the Oscar-winning Everything Everywhere All at Once. Across nearly two decades of interviews about her process, she’s been consistent about what actually gets an actor into a role, both inside and outside of the coveted MCU.

Key Insights

Finn has cast every MCU project since 2008, and said there’s no single right way into a role, only the actor’s own take on it.

Actors without representation are better served by a reel that shows their range than a headshot alone.

Background and non-speaking work is a legitimate way to get in front of a casting office, don’t shy away from those roles.

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Be Yourself in The Audition

Finn has said plainly, “There is never a right way to do things,” and she’s built that into how she evaluates a room. Preparation matters, but what actually makes a reading stand out is an actor bringing their own instincts to the material rather than performing what they assume the part is supposed to look like.

It’s a principle other casting directors echo. Casting director Harry Gilbert has said much the same thing: actors get furthest when they trust their own instincts instead of trying to guess what a director wants, since even the director often doesn’t fully know until they see it.

Actors who show up with a fixed idea of the “correct” take tend to blend together. The ones who let their own read of the character come through are the ones who stand out and are more likely to be remembered.

Use Reels to Support Headshots

Finn has pointed out that the barrier to getting noticed keeps dropping. Actors without an agent are often better served putting together footage that shows their range than mailing out headshots and hoping for the best.

A reel gives a casting office something to watch. A photo just gives them something to imagine. Casting Networks’ own guide on finding casting calls without an agent backs this up directly: an honest, unpolished reel showing you act consistently beats a blank profile or a submission with nothing to watch.

She’s Casting For the Director

Finn has said her job comes down to finding the best actor for the part and serving the director’s vision for the project, not her own taste. It’s the same instinct that guides John Papsidera, Christopher Nolan’s longtime casting director.

His entire job, as he’s described it to Casting Networks, is finding the specific actor who makes a director’s vision click into place. For actors, the read that works is the one that fits the character and the film being made, not one formed to impress the casting director. This is why bringing your own authentic take is among the most repeated pieces of advice you’ll hear.

Don’t Shy Away From Background Work

Marvel productions lean heavily on background actors to sell the scale of a scene, and Finn has talked about how much those parts depend on improvisation. Extras are frequently given a scenario to act out rather than sides, and asked to react in the moment.

Legendary background casting director Rose Rosen has told Casting Networks the same thing applies well beyond Marvel: background work is a genuine training ground for actors who want speaking roles down the line. Her advice for standing out is simple: “Show up and do your job.”

For actors early in their careers, that’s a useful thing to know. Background and non-speaking work is a chance to show that you can take direction and generate something real without lines to lean on. That’s a valuable skill.

Conclusion

Finn’s track record, from ‘Iron Man’ through the entire ‘Avengers’ roster to this weekend’s box office, proves the fundamentals she’s described for years still hold up. None of it requires a franchise-sized budget to apply. Come prepared, bring something of yourself into the room, and treat every opportunity, background work included, as it matters.

Ready to start building your own reel and getting in front of casting directors? Browse open casting calls on Casting Networks and start submitting today.