In 2013, Hamilton appeared as Acacia, a Valkyrie, in "Delinquents", a third-season episode of the TV series "Lost Girl", a role she would reprise in two subsequent episodes, "End of a Line" in the fourth season, and "Sweet Valkyrie High" in the fifth. She subsequently appeared in a recurring role on the Syfy series "Defiance", beginning in that show's second season. In 2019, she reprised her role as Sarah Connor in "", her first starring role as the character since 1991, and also voiced the character in the video game "Gears 5".