Neil Patrick Harris has joined the cast of “ Dexter: 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. The show is set to debut on Paramount+ With Showtime in the summer.

The beloved Dexter series is getting a major star boost with Neil Patrick Harris joining the cast of Dexter: Resurrection! The Emmy and Tony Award winner will guest star as “Lowell,” adding more mystery and drama to the show.

Showtime has cast David Dastmalchian ( Oppenheimer) in Dexter: Resurrection in the guest starring role of “Gareth.” Production on the Dexter: New Blood followup series kicked off in January in New York and is set to premiere this summer on Paramount+ with Showtime.

The much-anticipated sequel series, Dexter: Resurrection, has added Neil Patrick Harris to its already star-studded cast. The Gone Girl and How I Met Your Mother actor will be seen playing a character named Lowell. However, the details of his role are still under wraps.

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.

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

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,