By viewing some of the cinematic classics from the early days of filmmaking, and examining the performances of such comedic legends as Buster Keaton, Harry Langdon, Charlie Chaplin, and Harold Lloyd, it is obvious that today's popular actors strive to emulate their predecessors, in hopes of depicting even a trace of their idols' dramatic brilliance in their own performances. For example, in the film Benny & Joon (1993), directed by Jeremiah S. Chechik, Johnny Depp had to develop an almost encyclopedic knowledge of silent-film-era physical actors, and especially of Keaton and Chaplin, whom his character imitates in dress, speech, and personality. Though Chinese actor Jackie Chan may seem an unlikely fan of the silent-film stars of the 1920's, he actually idolizes them, and models his physical comedy and stunt work after their films. This is especially apparent during the numerous dangerous stunts Chan performs in 'A' gai waak (1983), also known...