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’s storyline in the OG show left him hiding out as a lumberjack after his stepsister, Debra (Jennifer Carpenter), was killed off. But in “New Blood,” it was implied that his life had ended, so they decided to opt for another spinoff instead.