It was announced in August 2018 that Sir Patrick Stewart would be returning to the role of Jean-Luc Picard.
More information was given at SDCC. The series is set 20 years after Jean-Luc Picard’s last appearance in Star Trek: Nemesis (2002) and finds him deeply affected by the death of Data, as depicted in Nemesis, as well as by the destruction of Romulus as depicted in the film Star Trek (2009).
The show is set to air in early 2020 on Amazon Prime and stars the following people (blatantly borrowed from Wikipedia!)
Patrick Stewart as Jean-Luc Picard: Retired admiral and former captain of the USS Enterprise-D and USS Enterprise-E.
Santiago Cabrera as Cristobal “Chris” Rios. The pilot of Picard’s ship and a skilled thief.
Michelle Hurd as Raffi Musiker: A former intelligence officer struggling with substance abuse
Evan Evagora as Elnor: A Romulan refugee who is an expert in hand-to-hand combat and is fiercely loyal to Picard
Alison Pill as Dr. Agnes Jurati
Harry Treadaway as Narek:A Romulan refugee who joins Picard’s crew in investigating what his people are doing to former Borg drones
Isa Briones as Dahj
De Niro as Number One: Jean-Luc Picard’s dog.
Recurring and returning cast
Brent Spiner as Data
Jeri Ryan as Seven of Nine
Jonathan Del Arco as Hugh
Jonathan Frakes as William Riker
Marina Sirtis as Deanna Troi