Tim Lammers writes: It’s a tricky thing to guess, but I think I’ve figured out a sure-fire way for performers to succeed in the movie business, thanks to the insights of actor Billy Boyd. Basically, you just need to work with directors named “Peter” on every film. Like, for example, Peter Weir on “Master and Commander: The Far Side of the World” and Peter Jackson on “The Lord of the Rings” trilogy. [More]