The phrase "returning stars" refers to people or things that were once popular or successful and are now coming back or becoming popular again. Full definition
Bryan Singer directs X-Men: Days of Future Past with newcomers Peter Dinklage, Omar Sy, Boo Boo Stewart, Fan Bingbing, Evan Peters, Adan Canto, Josh Helman, Evan Jonigkeit along with returning stars Jennifer Lawrence, Michael Fassbender, James McAvoy, Nicholas Hoult, Patrick Stewart, Ian McKellen, Hugh Jackman, Anna Paquin, Ellen Page, Shawn Ashmore, Halle Berry, Lucas Till, and Daniel Cudmore. (screenrant.com)
The Harry Potter actor is joining returning stars Mark Ruffalo, Jesse Eisenberg, Woody Harrelson, Dave Franco and Sir Michael Caine as the son of Caine's character. (digitalspy.com)
It will also feature returning stars Harrison Ford, Mark Hamill and Carrie Fisher. (independent.ie)