Billy Magnussen Plays Silicon Valley From Both Sides in The Audacity and The Social Reckoning

Billy Magnussen

Photo: Xuthoria / CC BY-SA 4.0, via Wikimedia Commons

Born	April 20, 1985 Woodhaven, Queens, New York City, United States
Occupation	Actor
Known for	The Big Short, Aladdin, No Time to Die
Awards	San Diego Film Critics Society (shared)

In The Social Reckoning, Aaron Sorkin‘s film about the leak that exposed Facebook‘s own research, Billy Magnussen plays Teddy Marks, the company’s media-relations man. He is the one who learns that The Wall Street Journal is about to publish and walks the warning into Mark Zuckerberg‘s office, and Deadline’s review called him “perfectly slimy”. A few months earlier, on AMC, Magnussen sat at the other end of the same industry as Duncan Park, the chief executive of a data-mining company called Hypergnosis in The Audacity. One man is paid to protect the machine. The other is desperate to own a bigger piece of it. Together the two parts sum up what Hollywood sees when it looks at him. The open question is whether he can get it to see anything else.

What it sees is a tall, blond, square-jawed man who assumes the room belongs to him. The casting directors keep handing him princes and moguls, and the best of those performances have the same hidden engine: the confidence is a bluff, and the character is the last to know. Describing Duncan Park to TheWrap, Magnussen said he wanted to stay away from the evil-CEO cliché, because Duncan still thinks of himself as weak and has no idea he is a bull in a china shop. That sentence is a fair key to the whole filmography.

The physique comes with the family history. His father, Greg, was a professional bodybuilder and kickboxer, and his mother, Daina, taught aerobics. William Gregory Magnussen, the eldest of their three sons, arrived on April 20, 1985, and spent his first ten years around Woodhaven Boulevard in Queens before the family moved to Cumming, Georgia. He has Norwegian and Lithuanian roots. After graduating from South Forsyth High School in 2003 he trained at the University of North Carolina School of the Arts. In New York he played bass for the rock band The Dash and later guitar for Reserved for Rondee.

The work started on stage and in daytime television. He made his Broadway debut in a 2007 revival of The Ritz, and in January 2008 he took over the role of Casey Hughes on the CBS soap As the World Turns. Guest parts followed in Boardwalk Empire, where he played the doomed lover of Gretchen Mol’s Gillian Darmody, and in The Good Wife and Law & Order. The door opened properly in the theatre. As Spike, the preening young boyfriend in Christopher Durang’s Vanya and Sonia and Masha and Spike, he held his own beside Sigourney Weaver and David Hyde Pierce from Princeton to Lincoln Center to Broadway, and earned a Tony nomination for Best Featured Actor in a Play in 2013. The following year he played opposite Anna Gunn in Sex with Strangers off-Broadway, directed by David Schwimmer.

Film then found the prince. Rob Marshall cast him as Rapunzel’s Prince in Into the Woods in 2014, after Jake Gyllenhaal left the part, and “Agony”, his duet of wounded vanity with Chris Pine beside a forest waterfall, is the funniest scene in the film. Steven Spielberg used him as Doug Forrester, a young lawyer, in Bridge of Spies. In American Crime Story he was Kato Kaelin, the houseguest of the O. J. Simpson trial. In Black Mirror‘s “USS Callister” he played Valdack, the digital copy of an office colleague trapped in a tyrant’s video game. The dim, charming Ryan in Game Night earned him a share of the San Diego Film Critics Society ensemble award, and he played Prince Anders, a suitor newly created for Guy Ritchie‘s 2019 Aladdin.

The parts grew richer as they grew more powerful. In HBO Max’s Made for Love he was Byron Gogol, a tech billionaire who implants a chip in his wife’s brain, and that year he was also the CIA officer Logan Ash in No Time to Die, whose easy friendliness turns out to be a cover, and the young Paulie Walnuts in The Many Saints of Newark. The villain of Robert Rodriguez‘s Spy Kids: Armageddon followed, then the spoiled heir Ben Brandt in the 2024 Road House, opposite the same Jake Gyllenhaal he had replaced a decade earlier. In 2025 he played the alien Pleakley in Disney‘s live-action Lilo & Stitch, which took more than a billion dollars worldwide.

The record has a less flattering side, and it matters. Magnussen is most bankable as the punchline in someone else’s vehicle, and the projects built closer to him have struggled. HBO’s The Franchise, a satire of superhero filmmaking from Sam Mendes and Armando Iannucci in which he played Adam, the insecure star of the superhero film being shot, was cancelled after a single season. Kogonada’s A Big Bold Beautiful Journey, where he was Margot Robbie‘s ex-boyfriend, took about $20 million against a $45 million budget. Violent Ends, John-Michael Powell’s Southern Gothic revenge thriller and his first real lead, grossed $185,131 in a limited release, though Powell had cast him precisely because, editing The Brass Teapot years before, he felt the actor had “so much more in his well”. Even the warm reviews of The Social Reckoning note that Teddy Marks is barely written. The type pays, and it also boxes him in.

This year shows both halves. The Audacity, created by Jonathan Glatzer, a writer and producer on Better Call Saul and Succession, premiered at SXSW and then on AMC and AMC+ on April 12, 2026, with eight episodes. Duncan’s scheming partner is his own therapist, played by Sarah Goldberg, and the cast includes Simon Helberg and Zach Galifianakis. AMC renewed it in March, before a single episode had aired, and the second season is shooting in Vancouver with Tom Hollander as a tech billionaire, for a return in 2027. The Social Reckoning, Sorkin’s follow-up to The Social Network, opens in American cinemas through Sony on October 9, with Jeremy Strong as Zuckerberg, Mikey Madison as the whistleblower Frances Haugen and Jeremy Allen White as the reporter Jeff Horwitz. In between, he returned as Valdack in Black Mirror‘s 2025 sequel, “USS Callister: Into Infinity”.

The more telling move is happening behind the camera. Magnussen already holds executive producer credits on the comedies Coup! and Reunion, and in Joe Lynch’s horror comedy Buzzkill, which he also produces, he plays Red, a widowed sheriff in recovery from alcohol who has to investigate a string of grisly killings, with Lulu Wilson as his vengeful younger sister. Hannah Levy’s debut feature Hot Ted, with Ella Purnell and Ariana Greenblatt, is also on his slate. Red is a man with nothing left to sell, the first lead in years built without a crown or a corner office, and the project is Magnussen’s own. If it lands, the next casting director may look past the jaw.

Featured Films

Road House (2024) — Lilo & Stitch (2025) — as Pleakley

Tags: actors, Aaron Sorkin, Jake Gyllenhaal, The Social Reckoning, Billy Magnussen, Game Night

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