Patrick Heusinger is an American actor. He is known for his recurring roles as James Schuller / Lord Marcus Beaton on the second season of The CW teen drama series Gossip Girl (2008), Adam Pierce on the USA Network medical comedy drama series Royal Pains (2010–11), and Max McCarthy on the Bravo comedy drama series Girlfriends' Guide to Divorce (2014–17). Heusinger is also known for his lead role as FBI Special Agent Nick Durand on the Amazon Prime Video crime thriller series Absentia (2017–20).