One Spy Too Many (1966) is a Adventure, Crime film that follows the men from U.N.C.L.E." are back! This time Robert Vaughn and David McCallum must stop the megalomaniac Alexander from committing the world's greatest crimes. Currently, you can watch One Spy Too Many on Amazon Video, Apple TV Store, Google Play Movies, YouTube. Streaming availability may vary by country and platform over time. It has a user rating of 5.1 out of 10 from 17 votes. Fans of adventure movies may also want to explore similar titles below.