This post contains spoilers from the series premiere of Showtime’s "Dexter: Original Sin" now streaming on Paramount+. "Things were a little messy in the beginning…" That's how Dexter Morgan (Michael C.

Harry Morgan is Dexter’s father, played by James Remar in the original series, and in this series, played by Christian Slater. The actor is a legend, starring in films like “Heathers,” “True Romance,” “Robin Hood: Prince of Thieves” and several TV series (most notably his Golden Globe nominated role in “Mr. Robot”).

Dexter Original Sin's premiere breathes new life into the series, transforming it from its comatose state into something closer to a darkly dreaming Dexter.