Patrick Stewart's new 'Star Trek' TV series adds Alison Pill, Harry Treadaway and Isa Briones to cast
"The Newsroom" alum Alison Pill, "Penny Dreadful" actor Harry Treadaway and "The Assassination of Gianni Versace" actress Isa Briones have joined the ensemble of the next "Star Trek" saga, CBS All Access revealed Wednesday.