Data finds Guinan the bartender from the Enterprise in a newspaper photo, and goes to a reception she will be attending. As she is speaking with Samuel Clemens (better known by his pen name, Mark Twain, played by Jerry Hardin), Data attempts to ask her questions about the future believing her to have followed him back in time, but discovers that she is native to 1893 and has yet to meet the Enterprise crew; Data 's language intrigues Clemens and he begins to follow Data and Guinan around.
who played mark twain on star trek next generation
Jerry Hardin