Louis Cancelmi

Best-known for playing undercover agent Mike D'Angelo on "Boardwalk Empire" (HBO, 2010-14), Louis Cancelmi also enjoyed recurring roles on "Blue Bloods" (CBS, 2010-), "Billions" (Showtime, 2016-) and "The Looming Tower" (Hulu, 2018-).

Born in Anchorage, AK, Cancelmi studied Theater at Yale College before making his screen debut in dark workplace comedy "New Guy" (2003). He went on to play Balkanin in pre-WW1 drama "Si Laraby" (2003) and guest on "Third Watch" (NBC, 1999-2005) but initially focused on the stage, performing in productions of "Death of a Salesman," "A View from the Bridge" and "Love Lies Bleeding." But he eventually returned to the film world when he appeared alongside actress sister Annie Parisse in indie "First Person Singular" (2009).

Roles in family dramedy "Gabi on the Roof in July" (2010), romantic comedy "The Ride of Tom and Valkyrie" (2011), love triangle tale "Green" (2011) and LGBT movie "Gayby" (2012) then followed, as did a brief spot in "The Amazing Spider-Man 2" (2014).

Cancelmi then appeared alongside his real-life wife Katherine Waterston and father-in-law Sam Waterston as a theatre director struggling with impending fatherhood in "Please Be Normal" (2014), and then again in his brother-in-law Graham's short film "And It Was Good" (2015).

Cancelmi's profile grew considerably when he was cast as undercover agent Mike D'Angelo in Emmy-winning crime drama "Boardwalk Empire" (HBO, 2010-14). A year later he enjoyed a three-episode stint as serial killer Thomas Wilder on police procedural "Blue Bloods" (CBS, 2010-), played a thieving zoo worker on "Elementary" (CBS, 2012-) and added indie movies "Funny Bunny" (2015) and "Manhattan Romance" (2015) to his filmography.

After showing up in Doug Liman's virtual reality drama "Invisible" (2016), Cancelmi played violent criminal Jimmy in NYC drama "Tramps" (2016), eco-criminal Owen in "The Blacklist" (NBC, 2013-) and successful trader Victor Mateo in three episodes of "Billions" (Showtime, 2016-).
Cancelmi then landed supporting roles in art world satire "Fits and Starts" (2017) and comedy thriller "Green Olds" (2018), shared the screen with Robert De Niro and Al Pacino in hitman biopic "The Irishman" (2018) and was cast as FBI snitch Vince Stuart in the adaptation of Lawrence Wright's Pulitzer Prize-winning 9/11 expose, "The Looming Tower" (Hulu, 2018-).