Interstellar is a 2014 epic science fiction film directed by Christopher Nolan. A co-production between the United States and the United Kingdom, Nolan wrote the screenplay with his brother Jonathan and produced it with wife Emma Thomas. The film follows a group of astronauts who travel through a wormhole near Saturn in search of a new home for mankind. It stars Matthew McConaughey, Anne Hathaway, Jessica Chastain, Bill Irwin, Ellen Burstyn, John Lithgow, Michael Caine, Casey Affleck, and Matt Damon. It was released to generally positive reviews for its screenplay, direction, themes, visual effects, musical score, emotional depth, acting, and ambition. Filmgoers also loved the film, with those polled by CinemaScore giving it an average grade of B+ on an A+ to F scale.