It's easy to see the appeal of the story though: a bunch of colorful characters get thrown together in a remote location, someone gets murdered, and for the master detective who tries to solve "who did it", everyone turns out to be a suspect with a sordid or hidden past. It's almost tailor-made for actors to shine in.
While thrillers and mysteries are still popular, for a while the "Whodunnit" variety was a powerful and omnipresent genre in itself, and many a classic film belongs in it.
Which brings us to our question of the week: what's your favorite "Whodunnit" film, and why? Chime in, in the comments below, and HAVE YOUR SAY!