Bob Wall was the American actor who played the role of "Williams" in the iconic 1973 film "Enter the Dragon" alongside Bruce Lee.
He was a real-life martial artist who had a significant influence on the film's fight choreography and brought a level of authenticity to his character.
While he continued acting after "Enter the Dragon," his career wasn't as prolific as some of his contemporaries. He had roles in films like "The Last Dragon," "Black Belt Jones," and "Black Samurai." He also worked as a stuntman and fight coordinator.
You can learn more about Bob Wall on his website: [https://www.bobwall.com/](https://www.bobwall.com/)
As for "Jim Kelly," there is no record of an actor with that name appearing in "Enter the Dragon."