The last person credited before a movie starts may be its director. That placement can make filmmaking look like a straight line from script to set to screen. Read a little further, though, and a different picture emerges: producers got the project made, writers built and revised its story, and editors shaped the footage into the version you watched.

Credits are useful, but they aren’t a perfect record of who made every decision. A job title describes a kind of responsibility, not every conversation that happened during production. It also means different things in a theatrical film and a TV series. The best way to read credits is to look at which part of the work each name is tied to—and where those parts overlap.

Illustrative image: movie credits explained

Producers make the project possible and keep it moving

On a theatrical film, “Produced by” usually points to the primary producer or producers. Their work can begin before there’s a finished script: developing the idea, securing rights or funding, and bringing key people aboard. As the film moves ahead, they help settle budget and schedule questions, address problems during the shoot, and stay involved through post-production and release. The Producers Guild’s description of the primary film producer emphasizes sustained decisions across those stages, rather than one task performed on one day.

That doesn’t mean the producer personally chooses every shot or gives every actor a note. Think of a producer’s responsibility as the whole production: Can this film be made, with these people and resources, and delivered? The director’s job is more directly concerned with bringing its creative elements together. The two work closely, and the division of decisions depends on the project.

“Executive producer” takes more care to interpret. On a theatrical film, the credit may reflect a substantial contribution to getting the project developed or financed. On a television movie, an executive producer may instead be the primary producer. Neither use tells you, by itself, how often that person visited the set. Nor should you assume an executive producer is simply a producer’s boss.

Other producer credits offer better clues about day-to-day work. A line producer is closely tied to a film’s budget and production logistics: the practical business of turning a plan into a shoot. An associate producer typically handles assigned producing functions in support of the larger team. These aren’t interchangeable with “Produced by,” even when all three people work on the same film.

If you see “p.g.a.” after a producer’s name, that is not another job title. The Producers Guild’s mark identifies a producer it has certified as performing a major share of producing functions on that particular motion picture. It doesn’t mean every producer without the mark did little work.

On TV, producer titles can also identify the creative leadership

A scripted series has a different problem from a feature film: it must keep its characters, tone, and story coherent across episodes that may have different writers and directors. The showrunner leads that continuing effort, overseeing the series creatively and managing its production. “Showrunner” may be the term viewers hear in interviews, while “executive producer” is the credit they see on screen.

But an executive producer credit does not, on its own, identify the showrunner. A series can have several executive producers with different contributions, including people involved in creating or developing it. The Producers Guild’s guide to scripted TV credits also distinguishes the series’ creative producers from the line producer, who has primary responsibility for budget and logistics.

This helps decode a crowded TV opening. An episode’s “Written by” credit identifies authorship of that episode’s script. A “Created by” credit concerns the series and may appear on every episode. An executive producer may oversee the series without writing the particular episode you’re watching. Sometimes the same person holds all three credits; often, the work is spread among several people.

Titles such as “co-executive producer,” “supervising producer,” “producer,” and “co-producer” can belong to writers with wider responsibilities on the show. Don’t read them as a precise ranking of who thought of each scene. They tell you more about a person’s role on the series than about sole authorship of an episode.

Writing credits tell you which part of the script is being credited

“Story by” and “Screenplay by” are not polite ways of saying the same thing. “Story by” concerns the underlying narrative work—such as the plot, characters, and action—while “Screenplay by” concerns the script’s scenes and dialogue. “Written by” generally combines story and screenplay credit for the credited writer or writers. On a TV episode, “Teleplay by” serves the script function that “Screenplay by” serves on a film. These distinctions are set out in the Writers Guild of America’s film screen-credits manual.

Imagine a film crediting Maya Chen for “Story by” and Luis Rivera for “Screenplay by.” The sensible reading is that their credited writing contributions differ; it is not that Maya merely suggested an idea while Luis did all the meaningful writing. Story work can be detailed and substantial. Likewise, an adaptation may separately credit the author of the book or other source material and the writer who turned it into a screenplay.

In Guild-covered productions, the on-screen writing credit is a determination about qualifying contributions to the finished script, not a list of everyone who attended a meeting or worked on a draft. That is why a credit can’t safely answer “Who came up with my favorite line?” It also explains why the absence of a writer’s name from a feature film’s writing credit does not necessarily mean that writer never worked on it.

One small piece of punctuation carries real information. In a shared WGA writing credit, “A & B” identifies writers who worked as a team; “A and B” identifies writers who worked separately. It does not tell you which writer invented a particular character or whose version of a scene survived.

TV adds another distinction: writing on a series is not the same as receiving authorship credit on each episode. A staff writer or story editor can work in the writers’ room while another writer receives that episode’s “Written by” or “Teleplay by” credit. And despite the title, a TV “story editor” belongs to the writing side of a scripted series—not the team cutting footage. The WGA’s television credits manual separates episode writing credits from continuing series credits such as “Created by.”

The editor shapes what the audience actually sees

The picture editor works with recorded material, not a blank page. A scene may have several takes, different camera angles, and performances that play differently from one line to the next. The editor selects and arranges that material, deciding how long to stay on a face, when to reveal a reaction, and how one scene leads into another. Those decisions can change the pace, clarity, and emotional weight of a story. As one picture editor describes the work, it goes well beyond trimming footage.

Editors collaborate with directors; in television, their cuts also move through review by showrunners and others. A “Film Editor” or “Edited by” credit therefore names a major creative contributor, not someone who merely tidied up after the shoot. At the same time, it doesn’t mean the editor alone approved the final cut.

“Assistant editor” is a distinct job, not a synonym for a less experienced person making all the same choices. Assistant editors prepare and organize footage, manage cuts and materials, and help pass the locked picture to the teams finishing image and sound. An assistant editor’s account of an episode workflow shows how much coordination sits behind a seamless edit.

“Sound editor” belongs to another part of post-production. Sound editors work with the audio elements of what you hear; the picture editor shapes the sequence of images and performances. Their work meets in the finished scene, but the credits identify different crafts.

Read the other departments as parts of the same decision

If a scene looks striking, the director and editor may have made crucial choices—but they did not create its images alone. The “director of photography,” also called the cinematographer, leads the camera work and helps shape the visual style through choices including light and equipment. The production designer leads the design of the film’s physical world. Costumes, makeup, visual effects, music, and sound add further choices that can make a scene feel convincing, tense, funny, or strange. The American Society of Cinematographers’ account of a director of photography’s work is a useful reminder that visual style involves both creative and practical decisions.

Try reading one scene backward through its credits. The writer put an encounter into script form. The production team arranged the time, place, people, and money to shoot it. The director worked with the cast and crew to stage it; the cinematographer and design teams helped give it a visible form. The editor chose how the recorded moments would unfold, while sound and music helped determine what you felt as they did.

That won’t identify the owner of every good idea. Credits were never meant to do that. They can, however, replace the vague idea that a movie or show was simply “made by” its most famous names with a much more accurate sense of how the work was divided.