If it's a historical biopic about Wyatt Earp, did they go back in time and bring him in for a cameo? How did this happen?

A year later, "Wyatt Earp" came out ... was not at the famous gunfight at the O.K. Corral, would be played by a lesser-known ...

Wyatt Earp is a movie about a man and his family. The movie shows us the good times and the bad times of one of the West's most famous individuals.

There's more to work than life.