Paramount Plus' Dexter prequel series is ready to slay as Buffy herself joins the cast

Sarah Michelle Gellar as Buffy
(Image credit: Warner Bros.)

New Paramount Plus spinoff series Dexter: Original Sin has signed Sarah Michelle Gellar, where she’ll be playing Dexter Morgan’s boss at the Miami Metro Police Department.

The prequel also stars Patrick Gibson in the leading role of Dexter Morgan, taking over  from Michael C. Hall who originally played the character. And with Gellar joining the lineup, she rounds out a huge cast including names like Christian Slater, Patrick Gibson and Patrick Dempsey.

Speaking about bringing Gellar on board for the project, Nina L. Diaz, president of content and CCO at Showtime said in a press release: “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.”

“We’re thrilled to have her return to the Showtime/MTV Entertainment Studios family and join the origin story of the Dexter franchise,” she added. 

What do we know about Dexter: Original Sin?

The Dexter prequel comes after the TV mini-series Dexter: New Blood which ran for 10 episodes and followed the serial killer after he faked his death in Miami – following on from the polarising season finale for the original series. The mini-series  received generally positive reviews, breathing some new life into the franchise.

So hopefully, Original Sin will also be able to draw viewers in. Being a prequel, the show will chronologically be the first in the growing Dexter universe. The series is set in 1991 Miami where we follow Dexter as he transitions from student to avenging serial killer. 

With the guidance of his father, Harry, he adopts a code designed to help him find and kill people who ‘deserve’ to be eliminated from society without getting on law enforcement’s radar. This becomes a particular challenge for young Dexter as he begins a forensics internship at the local police station, so he has to balance his new job with his overwhelming urge to kill.

We don’t yet have a Paramount Plus release date for Original Sin, so stay tuned for more information on when you can watch the potential new best Paramount Plus show.

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Lucy Buglass
Senior Entertainment Writer

Lucy is a long-time movie and television lover who is an approved critic on Rotten Tomatoes. She has written several reviews in her time, starting with a small self-ran blog called Lucy Goes to Hollywood before moving onto bigger websites such as What's on TV and What to Watch, with TechRadar being her most recent venture. Her interests primarily lie within horror and thriller, loving nothing more than a chilling story that keeps her thinking moments after the credits have rolled. Many of these creepy tales can be found on the streaming services she covers regularly.

When she’s not scaring herself half to death with the various shows and movies she watches, she likes to unwind by playing video games on Easy Mode and has no shame in admitting she’s terrible at them. She also quotes The Simpsons religiously and has a Blinky the Fish tattoo, solidifying her position as a complete nerd.