Tracy began his acting career in the theater, but he is now recognized as a Hollywood icon and one of the most versatile performers in motion picture history. He earned his first film role in 1930, and within five years, he had appeared in more than 25 films. A two-time Academy Award winner, Tracy earned nine Oscar nominations throughout his illustrious career. He and Katharine Hepburn were a frequent on-screen team. How many films did the pair make together? Discuss