Dreamscape (1984)

IMDB
Genre : Action, Adventure, Horror, Sci-Fi, Thriller
TRAILER
Director : Joseph Ruben
Stars : Dennis Quaid, Max von Sydow, Christopher Plummer, Eddie Albert
Plot : A man who can enter and manipulate people’s dreams is recruited by a government agency to help cure the President of the United States of his nightmares about nuclear war but stumbles upon an assassination plot.