“Remember the dead and buried John Wayne selling Coors Beer?”
Here he is scaring the crap out of R. Lee Ermey:
https://www.youtube.com/watch?v=iwdcsPqS1x0
It was that very commercial that caused me to realize that nothing on film could ever again be trusted. With the vast improvements in CGI since then unless I see it myself with my own lying eyes I will not believe it.