In the meantime, he coached everyone from Roger Moore and Pierce Brosnan in the James Bond movies to Antonio Banderas and Anthony Hopkins in The Mask of Zorro. When the most detail-oriented director in history, Stanley Fucking Kubrick, needed a sword master who knew his shit for his film Barry Lyndon, he called Anderson. Remember The Three Musketeers with Charlie Sheen and Kiefer Sutherland? Yeah, we didn't either, but he worked there, too.
Oh, and he was Darth Vader.
"Hamill, if you're not going to make the light saber sounds with your mouth, how am I supposed to take this seriously?
That's right. It turns out that in addition to David Prowse providing the body and James Earl Jones providing the voice, Bob Anderson provided the awesome by doubling for all of Vader's light saber fights. He's the guy who chopped off Luke's hand, and he wasn't even credited for it. In 1983, it was Mark Hamill himself who revealed that it was Anderson in the suit and not Prowse for those scenes, a fact Lucas had been hiding all those years.
"He said he'd cut something more important if I didn't say anything."