What Is It? was a film that Glover toured with. It was a 1969 American experimental comedy-drama film directed by John Cassavetes. The film stars Cassavetes, Seymour Cassel, Peter Falk, and Gena Rowlands. The film follows a group of friends who are trying to make a film.
Crispin Glover Brain Challenge: 29 Questions to Push Your Limits