 This was the first time Sheppard had appeared in a British TV series.In October 2013, Sheppard returned to "White Collar", reprising his 2009 role as master forger Curtis Hagen.His film credits include the Jim Sheridan film "In the Name of the Father", starring opposite Daniel Day-Lewis and Emma Thompson as Guildford Four member Patrick Armstrong; the romantic comedy "Lover's Knot"; the Russian historical drama "Out of the Cold"; the thriller "Unstoppable"; and with Heather Graham and Jeremy Sisto in the dark independent, "Broken".