 What? But also struggles with inner demons. The film's cast includes Clarence Williams III, Billy Sparks, and Jerome Benton, and features performances by Prince and the Revolution, Morris Day and the Time, and Apollonia 6. With only a $7 million budget, Purple Rain went on to gross over $75 million worldwide. The film also won an Academy Award for Best Original Song Score and was added to the National Film Registry by the Library of Congress in 2019. Considered one of the greatest musical films ever produced, Purple Rain is another essential black film.