The movie stars Don Ameche ... same name by David Saperstein. A sequel, Cocoon: The Return, was released in 1988 in which almost all of the original cast reprised their roles.

Additional cast members will likely be revealed in the coming days. Cocoon is based on the manga of the same name written by Machiko Kyō. The manga began serialization in Akita Shoten's Elegance ...

A group of aliens return to earth to retrieve cocoons containing the people they'd left behind from an earlier trip. These cocoons had been resting at the bottom of the ocean. Once retrieved, they ...

Meanwhile in the ocean, a biologist company snatched a cocoon out of the ocean and are doing research on it ...