The actress confirmed the news while speaking on the red carpet for the Screen Actors Guild Awards pre-show, reported People magazine.
"I will be in the next Star Wars movie," she said, before revealing how excited she is to be involved in the entire franchise.
"I made no secret of the fact that I really campaigned for the part for a long time. And then I was delighted when JJ Abrams wanted to have me in the film and then wanted to cast me in this role that had originally been designed for a man.
Captain Phasma will return in "Star Wars: Episode 8" on its new scheduled release date of December 17, 2017, after being postponed seven months from a May 2017 release date in an attempt to replicate the massive success of "The Force Awakens".