The Adventures of Buckaroo Banzai Across the 8th Dimension, often shortened to Buckaroo Banzai, is a 1984 American adventure science fiction comedy film produced and directed by W. D. Richter and written by Earl Mac Rauch. It stars Peter Weller in the title role, with Ellen Barkin, John Lithgow, Jeff Goldblum, and Christopher Lloyd. The supporting cast includes Lewis Smith, Rosalind Cash, Clancy Brown, Pepe Serna, Robert Ito, Vincent Schiavelli, Dan Hedaya, Jonathan Banks, John Ashton, Carl Lumbly and Ronald Lacey.