After five decades, controversy continues to surround the 1950's film "The Conqueror," filmed on location in Snow Cannon, Utah near the atomic testing site of Yucca Flats, Nevada. The cast, some of Hollywood's biggest stars- John Wayne, Susan Hayward, Agnes Moorehead and the director Dick Powell all later died from Cancer.

Interesting theory, but it is just that- a theory. Check out the following links and decide for yourself.

Did John Wayne die of cancer caused by a radioactive movie set?

Film location site of The Conqueror

The Conqueror-The Internet Movie Database

The Conqueror- from Wikipedia