India, May 29 -- Buster Keaton and Charlie Chaplin, sure. But the biggest risk- taker among silent movie comedians has to have been Harold Lloyd, whose performance in Safety Last had him pretending to be a postal worker, and ended with him hanging off a clock face on top of a tower. The whole film is a symphony of comic movement and timing.

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* Bulldog Drummond (1929):

An early sound movie, based on HC McNeile aka Sapper's bestselling book, adapted by Pulitzer prize-winning playwright Sidney Howard (who won the first posthumous Oscar, for the 1939 film Gone With the Wind), and starring Ronald Colman, this was the fourth instalment in a franchise of 24 films that stretched across 47 years.

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* Top Hat (1935):

The quintessential Fred ...