The actress, whose other credits include One Day at a Time and NCIS, will be playing a character named Julia Freeman who TV Line describes as ” a 20-something musician living near National City who holds clues to Reign’s true identity.” (Spoiler: She’s Samantha.)
Supergirl will return with new episodes with an installment titled “Legion of Super-Heroes” on Monday, January 15, 2018; you can find trailers and other extras related to the show’s return here.