James Riordan in a scene from the TNT Drama "Public Morals"

James Riordan "White Collar" USA Network episode "The Original"

Matt Bomer, Tim DeKay, and James Riordan in White Collar (2009)

Christine Baranski, Cynthia Nixon, and James Riordan

James Riordan as Vice Admiral Francis Joseph Blouin in Steven Spielberg's "The Post"

James Riordan, Hill Harper, Jennifer Carpenter in "LIMITLESS"

James Riordan in a scene from Law & Order SVU "October Surprise"

James Riordan attending the meet and greet for the Broadway production of "The Elephant Man", New York City

James Riordan in "Boardwalk Empire" playing Franklin Werner

James Riordan in "The Blacklist" as Ian Wright 

James Riordan and Ryan Phillipe in DAMAGES season 5

James Riordan in a scene from DAMAGES Season 5