Sarah Michelle Gellar is joining the 'Dexter' family!
The Emmy winner has signed onto 'Dexter: Original Sin,' which follows a young Dexter Morgan played by Patrick Gibson as he becomes an avenging serial killer in Miami.
Nina L.
Diaz, president of content and CCO, Showtime spoke out about the casting noting, "Sarah Michelle Gellar is a pop culture icon who perfectly rounds out our best-in-class cast featuring Christian Slater and Patrick Dempsey among others..."