Eric Nelsen (born June 26, 1991) is an Emmy and Tony Award-winning American actor and producer. He is known for his work as an actor in the television series 1883. On stage, Nelsen portrayed Brett Sampson in the original Broadway production of 13, and he starred in The Good Mother (produced by The New Group). He has appeared in over 30 television series, including as a series regular in the Hulu revival of All My Children, a recurring role in The Affair on Showtime, The Blacklist, Girls, The Following, NCIS, Blue Bloods, and iCarly. Nelsen also appeared in the Universal Pictures film A Walk Among the Tombstones opposite Academy Award nominee Liam Neeson, and in Coming Through the Rye opposite Academy Award winner Chris Cooper.