Can you imagine the leather jacket-wearing, pie-loving Dean Winchester played by anyone other than Jensen Ackles? Brace yourselves, "Supernatural" fans, because things could have been drastically different – and according to show creator Eric Kripke, downright disastrous.

The chemistry between "Supernatural's" Winchester brothers, Sam and Dean, is undeniable.
"We had two great Sams and no Dean,” Kripke confessed in an interview, recalling the early casting process. “You think it would be obvious to put one into the other role, but it was not obvious.
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