Sebastian Stan, born August 13, 1982, is a Romanian American actor. On television, he has played Carter Baizen in Gossip Girl, Prince Jack Benjamin in Kings, Jefferson in Once Upon a Time, and T.J. Hammond in Political Animals. Take a look below for 26 more interesting and fascinating facts about Sebastian Stan.

1. His role as T.J. Hammond in Political Animals earned him a nomination for the Critics’ Choice Television Award for Best Supporting Actor in a Movie/Miniseries.

2. Stan gained wide recognition for his role as the Winter Soldier in the Marvel Cinematic Universe, beginning with 2011’s Captain America: The First Avenger.

3. In 2015, he co-starred in Jonathan Demme’s comedy Ricki and the Flash and Ridley Scott’s science fiction movie The Martian.

4. Stan was born in Constanta, Romania. He has stated that his parents divorced when he was two years old.

5. At the age of eight, Stan and his mother, Georgeta Orlovschi, moved to Vienna, Austria, following the Romanian Revolution, where Georgeta was employed as a pianist.

6. When he was 12 years old, he and his mother moved to Rockland County, New York, after his mother married Anthony Fruhauf, the headmaster of Rockland Country Day School, where Stan was educated.

7. During Stan’s years at the Rockland school, he starred in productions including Harvey, Cyrano de Bergerac, Little Shop of Horrors, Over Here!, and West Side Story.

8. Stan attended the Stagedoor Manor summer camp, where he was cast in many camp productions. It was then that he decided to take acting seriously and began to apply for acting programs at several universities.

9. Stan attended Rutgers University’s Mason Gross School of the Arts, which also gave him the opportunity to spend a year abroad studying acting at Shakespeare’s Globe Theater in London, England.

10. Stan became a United States citizen in 2002.

11. He is friends with his co-stars Toby Hemingway and Chace Crawford from The Covenant.

12. He speaks English and Romanian fluently. In Captain America: Civil War, he actually speaks Romanian in the first scene set in Bucharest, Romania.

13. Before being cast as James “Bucky” Barnes in Captain America: The First Avenger, he was considered for the role of Captain America.

14. He did all his own stunts in the movie The Covenant.

15. He was in a relationship with Leighton Meester from 2008 to 2010, Dianna Agron from 2011 to 2012, Jennifer Morrison from 2012 to 2013 and Russian actress Margarita Levieva from 2014 to 2016.

16. Stan worked two times with Academy Award winning director Jonathan Demme: In Rachel Getting Married and Ricki and the Flash.

17. He appeared in two features nominated for a Best Picture Academy Award: Black Swan and The Martian.

18. He has portrayed a troubled, closeted gay son of a powerful parent in three different productions: Martin Waters in The Architect, Jack Benjamin in Kings and T.J. Hammond in Political Animals.

19. In 2017, Stan co-starred as a NASCAR driver, Dayton White, in Steven Soderbergh’s comedy Logan Lucky.

20. He portrayed Jeff Gillooly, alongside Margot Robbie as Tonya Harding, in Craig Gillespie’s biopic I, Tonya, based on the figure skating rivalry between Harding and Nancy Kerrigan.

21. In 2017, he starred alongside J.K. Simmons in the drama I’m Not Here.

22. In 2012, he starred in the thriller Gone and began a recurring role in Once Upon a Time as the Mad Hatter.

23. He will portray Charles Blackwood in We Have Always Lived in the Castle, an adaption of Shirley Jackson’s novel of the same name.

24. He stars as Scott Huffman in the Vietnam War drama movie The Last Full Measure.

25. Stan has been cast in the thriller movie Destroyer, opposite Nicole Kidman.

26. In March 2010, Stan played Blaine, the main antagonist of Hot Tub Time Machine.