Alec Guinness, Harrison Ford, Anthony Daniels, Carrie Fisher, Mark Hamill, James Earl Jones, Frank Oz, David Prowse, Billy Dee Williams, Julian Glover, Elaine Baker, Jeremy Bulloch, Marjorie Eaton, John Hollis, Peter Mayhew, Clive Revill, and Terry Richards in Star Wars: Episode V - The Empire Strikes Back (1980)
Exogorth or space slug from The Empire Strikes Back (1980)