
Acting
Jun 8, 1978
Pittsburgh, Pennsylvania, USA
Louis Cancelmi
Acting
Biography
Louis Cancelmi (born 9 June 1978, Pittsburgh, Pennsylvania) is an American stage and film actor who studied Theater at Yale College. He is a frequent performer with the Public Theater, appearing at both its Astor Library home and the Delacorte Theater in Central Park (including The Tempest in Shakespeare in the Park, 2015). He is best known for playing Mike D'Angelo in HBO's Boardwalk Empire (2014, 6 episodes), Victor Mateo in Showtime's Billions (2016–2023, 45 episodes), Sally Bugs in Martin Scorsese's The Irishman (2019), and Kelsie Morrison in Killers of the Flower Moon (2023). He is married to actress Elisabeth Waterston (m. 2006), whose father is actor Sam Waterston. His filmography includes The Amazing Spider-Man 2 (2014, as the Man in Black Suit), 21 Bridges (2019), The Eyes of Tammy Faye (2021, as Richard Fletcher), Pet Shop Days (2023), Sorry, Baby (2025), In the Hand of Dante (2026, dual roles as Lefty / Guido da Polenta), and The Bride! (2026). On television he has also appeared in Blue Bloods (2015–2016, as Thomas Wilder), The Looming Tower (2018, as Vince Stuart, 10 episodes), A Murder at the End of the World (2023, as Todd Andrews, 7 episodes), The Penguin (2024, as Rex Calabrese), and Government Cheese (2025, as Jean-Guy Prevost, 5 episodes).
Feature Films (33)

On the run from his unforgiving father in Mexico, Alejandro finds himself in New York City, where he meets Jack, a pet store employee with similar parental baggage. Together the two enter a whirlwind romance sending them down the rabbit hole of drugs and depravity in Manhattan’s underworld. When Alejandro’s past threatens to catch up with him, Jack is forced to choose between his family and a life on the run.
Pet Shop Days

A group of Salem Witch Trial re-enactors find themselves at the center of a modern-day witch hunt.
Mass Hysteria

This is the story of the heroic psychological journey of Tom, a depressed insomniac locked in a small Chinatown studio that he's afraid to leave. Grieving the loss of his wife and daughter, and tormented by memories of a dysfunctional family, he hallucinates about his childhood heroes: Ben Franklin, a samurai, a '70's sitcom star, and a comic book hero--all of whom help Tom in his struggle to maintain his sanity. Meanwhile, Valkyrie, Tom's beautiful neighbor--whom he has never met--zips across Manhattan on series of disastrous blind dates in pursuit of her goal "to find the last real man in New York City, by midnight, tonight.
The Ride of Tom & Valkyrie

An ambitious painter on the verge of a big break confronts his moral decay when his idealist, hell-raising younger sister comes to stay with him in New York City for the summer.
Gabi on the Roof in July

A New Yorker moves to the country with her boyfriend, where her new friendship causes a problem as her partner also takes an interest in the woman.
Green

For Peter Parker, life is busy. Between taking out the bad guys as Spider-Man and spending time with the person he loves, Gwen Stacy, high school graduation cannot come quickly enough. Peter has not forgotten about the promise he made to Gwen’s father to protect her by staying away, but that is a promise he cannot keep. Things will change for Peter when a new villain, Electro, emerges, an old friend, Harry Osborn, returns, and Peter uncovers new clues about his past.
The Amazing Spider-Man 2

A Vatican priest discovers Dante's original Divine Comedy manuscript. When asked to authenticate it, writer Nick Tosches steals it, while a parallel story follows Dante's quest to create his masterpiece.
In the Hand of Dante

From the comfort of her bathroom, a resilient woman tries to marry her desires for sexual freedom with emotional intimacy by showering with all her dates. Maybe just enjoying the ride is as intimate as it's going to get?
She's Clean

Shane, a struggling thirty-year-old caddie, stumbles into a new gig: a private eye for a New Jersey nightclub owner.
Mooch

A struggling writer can't seem to escape his wife's literary success. When a road trip to a publisher's salon takes an unexpected turn, he has to face his own creative shortcomings and find a way to regain control of his life and work.
Fits and Starts

Victor is a struggling playwright and theater director and his girlfriend Mary is expecting their first child. He has a temporary job in construction to make ends meet, but the dusty, dirty job exhausts him. Across town, Mary is a manager in a tony Madison Avenue boutique. The young couple is about to move out of their bohemian apartment in Brooklyn to the suburbs, all funded by Mary's father. As Dad keeps buying buying them things they could never afford, Victor's sense of entrapment grows. His inner struggle to meet their expectations seems to be guiding him towards a way of life he is unwilling to accept.
Please Be Normal

Danny, a commercial editor and documentary filmmaker attempts to finish his film, a study on relationship while navigating the relationships in his own life. Will he continue to chase the unattainable Theresa a hippy new age dancer(Caitlin Fitzgerald) or will he finally admit he's in love with his best friend Carla (Katherine Waterston) who is in an unfulfilling relationship with a political strategist(Gaby Hoffman). Manhattan Romance is a funny insightful look at contemporary life in Manhattan. It explores new age ideas and open relationship as well as true friendship and connection.
Manhattan Romance
Television & Series (18)

In cases ripped from the headlines, police investigate serious and often deadly crimes, weighing the evidence and questioning the suspects until someone is taken into custody. The district attorney's office then builds a case to convict the perpetrator by proving the person guilty beyond a reasonable doubt. Working together, these expert teams navigate all sides of the complex criminal justice system to make New York a safer place.
Law & Order

Loosely based on infamous crime boss Bumpy Johnson, who in the early 1960s returned from ten years in prison to find the neighborhood he once ruled in shambles. With the streets controlled by the Italian mob, Bumpy attempts to regain his piece of Harlem.
Godfather of Harlem

A virtual reality series centering on a powerful New York family with the ability to control the world's economy by turning themselves invisible.
Invisible

The third installment of the “Law & Order” franchise takes viewers deep into the minds of its criminals while following the intense psychological approaches the Major Case Squad uses to solve its crimes.
Law & Order: Criminal Intent

A riveting police drama about the men and women of the Chicago Police Department's District 21 who put it all on the line to serve and protect their community. District 21 is made up of two distinctly different groups: the uniformed cops who patrol the beat and go head-to-head with the city's street crimes and the Intelligence Unit that combats the city's major offenses - organized crime, drug trafficking, high profile murders and beyond.







