How the cast of 'Saturday Night' compares to the real-life people they're playing

<p class="ingestion featured-caption">From left: Kim Matula as Jane Curtin, Emily Fairn as Laraine Newman, Gabriel LaBelle as Lorne Michaels, Rachel Sennott as Rosie Shuster, Matt Wood as John Belushi, and Dylan O'Brien as Dan Aykroyd in "Saturday Night."Hopper Stone/Sony Pictures Entertainment</p><ul class="summary-list"><li>Jason Reitman's upcoming film "Saturday Night" chronicles how the first episode of "SNL" came together.</li><li>The movie stars Gabriel LaBelle as "SNL" creator Lorne Michaels and Cory Michael Smith as Chevy Chase.</li></ul><p>A new film centered on the creation of NBC's long-running sketch comedy series "<a target="_blank" class href="https://www.businessinsider.com/who-will-play-tim-walz-snl-actors-comedians-2024-8">Saturday Night Live</a>" will be released in theaters this fall.</p><p>"Saturday Night," directed by Jason Reitman, follows the chaos and drama that occurred behind the scenes in the 90 minutes leading up to the first broadcast of "SNL" on October 11, 1975. The cast is packed with familiar faces, from Emmy-winning "<a target="_blank" class href="https://www.businessinsider.com/succession-season-4-series-finale-what-happened-to-characters-2023-5">Succession</a>" actor <a target="_blank" class href="https://www.businessinsider.com/nicholas-braun-made-jeremy-strong-break-filming-succession-2023-2">Nicholas Braun</a> to "<a target="_blank" class href="https://www.businessinsider.com/stranger-things-every-star-first-debut-acting-roles-2022-8">Stranger Things</a>" actor <a target="_blank" class href="https://www.businessinsider.com/finn-wolfhard-stranger-things-panic-attacks-2023-2">Finn Wolfhard</a>.</p><p>Ahead of the film's October 11 release, here's how the cast compares to the real-life people they're playing in "Saturday Night.'"</p>