Don Juan
From Memory Alpha, the free Star Trek reference
Don Juan is a character from Earth literature.
He appeared to Yeoman Tonia Barrows on the Shore Leave Planet during shore leave. The planet was able to probe the minds of the people on the planet and recreate their thoughts. Barrows wanted to be romanced and chose the famous lover as her beau. (TOS: "Shore Leave")
Don Juan was played by James Gruzal, who was uncredited for the role.
