Jean-Luc Picard is welcoming more new people to his upcoming "Star Trek" series.

The CBS All-Access show starring Patrick Stewart has added three series regulars to the cast: Alison Pill ("The Newsroom"), Harry Treadaway ("Penny Dreadful") and Isa Briones ("Hamilton").

They join previously announced stars Santiago Cabrera and Michelle Hurd.

Details about their roles have not been released yet.

The still-untitled series focuses on Stewart's Jean-Luc Picard as the Enterprise captain faces the next chapter of his life.

According to executive producer Alex Kurtzman, Picard's life is "radically altered" after the dissolution of the Romulan Empire.

The Picard series is one of several developing"Star Trek" series bidding to join "Star Trek: Discovery." They include a "Discovery" spinoff starring Michelle Yeoh, an animated series titled "Lower Decks," and a Starfleet Academy project.