At age 8, Stan and his mother, Georgeta Orlovschi, moved to Vienna, Austria following the Romanian Revolution, where Georgeta was employed as a pianist.
Four years later, they moved to Rockland County, New York, after his mother married Anthony Fruhauf, the headmaster of Rockland Country Day School, where Stan was educated.
In 2013, Stan played the role of Hal Carter in the Roundabout Theater Company's production of William Inge's Picnic, at the American Airlines Theater in New York.
In 2014, Stan reprised his role as Bucky Barnes in Captain America: The Winter Soldier.
In summer 2012, Stan and Once Upon a Time star Jennifer Morrison met on the Once Upon A Time set and dated for a year, breaking up in mid-2013.
Following the outbreak of the Romanian Revolution in 1990, he moved to Vienna, Austria with his mother, Georgeta Orloveschi, who was a pianist. The 35-year-old actor attended Rockland County Day School, before enrolling in Rutgers University's Mason Gross School of the Arts.