Patrick Gibson ( The OA) beautifully tackled the role of a younger Dexter as though he were born for it, while Hall returned to provide the murderer’s inner voice. According to Original Sin showrunner Clyde Phillips (he also oversaw the first four seasons of the OG series), that running monologue is what makes the franchise so enduring.

Here's how the actor felt about giving that final speech and what he looks forward to next from the 'Dexter' prequel.

The Dexter prequel series finished its first season on Friday by setting up the rest of the killer franchise. Not only did Dexter perfect his killing ritual, but we also saw his s

Young Dexter Morgan will experience a “defining moment” during the season finale of Dexter: Original Sin, teases Patrick Gibson, adding that “something will shape him into the Dexter that fans know.” The Irish actor plays the titular character in the prequel series.