Kristin Ramsey is a main character on the Paramount+ original supernatural drama, Wolf Pack. She is portrayed by Sarah Michelle Gellar. Beneath Kristin's tough exterior lies a mystery, the real reason she's in Los Angeles. A highly regarded expert in her field and no stranger to personal loss, Kristen is the Chief LAFD arson investigator who is brought in by authorities to catch the arsonist responsible for a massive wildfire, which resulted in a string of attacks by a werewolf. Unbeknownst to those around her, Kristin is also a werewolf and Harlan, Luna and Baron's mother.