Donald David Dixon Ronald O’Connor (August 28, 1925 – September 27, 2003) was an American dancer, singer, and actor who came to fame in a series of movies in which he co-starred alternately with Gloria Jean, Peggy Ryan, and Francis the Talking Mule. He is best known today for his role as Gene Kelly’s friend and colleague in Singin’ in the Rain (1952).
Read more about Donald O'Connor at Wikipedia or at the Internet Movie Database
Nearby you will also find Julius La Rosa, Gladys Swarthout, Marguerite Chapman, Spike Jones, Reese Witherspoon, and many others.