Resurrection” as a guest star. Details about the “How I Met Your Mother” star’s role are unknown, other than his character’s name: Lowell. Production for Showtime’s "Dexter" sequel series began in January in New York.

Neil Patrick Harris has been cast in the Showtime original series 'Dexter: Resurrection' in the guest starring role of "Lowell."

March 4 (UPI) -- Showtime announced Tuesday that Neil Patrick Harris will guest star in Dexter: Resurrection. The show is expected to air this summer on Paramount+ with Showtime.

Dexter: Resurrection has recruited Tony-Award winner Neil Patrick Harris to guest star on an episode of the Showtime original series in the role of Lowell. The series will debut this summer.

Now David Dastmalchian has been cast as the guest role of Gareth in the revival series "Dexter: Resurrection." Read More: Sitcom Star Joins 'Dexter: Resurrection' as Possible Serial Killer At this point nothing more than Dastmalchian's character's first name is known,

Resurrection" as a guest star. Details about the "Late Night With the Devil" star's role are unknown, other than his character's name: Gareth. Production for Showtime's "Dexter" sequel series began in January in New York.

I’ve got some fresh news for you about the upcoming series ‘Dexter: Resurrection’. Showtime just added David Dastmalchian to the cast, and he’s stepping in as a guest star named Gareth. If you’re wondering who this guy is,