Sure, spoilers are annoying to us, the moviegoing public. But to producers, directors, and actors, a spoiler can potentially ruin a good chunk of their career. Would you have watched Game of Thrones if you knew how it ended?

That's why some productions build spoiler prevention into their process and their budgets. Here are some of the most intricate secret-keeping tactics Hollywood has ever devised:

16 Movies And Shows That Went Nuts Preventing Leaks

16 Movies And Shows That Went Nuts Preventing Leaks

16 Movies And Shows That Went Nuts Preventing Leaks

16 Movies And Shows That Went Nuts Preventing Leaks

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16 Movies And Shows That Went Nuts Preventing Leaks

16 Movies And Shows That Went Nuts Preventing Leaks

16 Movies And Shows That Went Nuts Preventing Leaks

16 Movies And Shows That Went Nuts Preventing Leaks

16 Movies And Shows That Went Nuts Preventing Leaks

16 Movies And Shows That Went Nuts Preventing Leaks

16 Movies And Shows That Went Nuts Preventing Leaks

16 Movies And Shows That Went Nuts Preventing Leaks

16 Movies And Shows That Went Nuts Preventing Leaks

16 Movies And Shows That Went Nuts Preventing Leaks

16 Movies And Shows That Went Nuts Preventing Leaks

16 Movies And Shows That Went Nuts Preventing Leaks

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