Cocoon is a 1985 American science fiction fantasy comedy-drama film directed by Ron Howard about a group of elderly people rejuvenated by aliens. The movie stars Don Ameche, Wilford Brimley, Hume Cronyn, Brian Dennehy, Jack Gilford, Steve Guttenberg, Maureen Stapleton, Jessica Tandy, Gwen Verdon, Herta Ware, Tahnee Welch, and Linda Harrison. The film is loosely based on the novel of the same name by David Saperstein.