The only other movie I recall seeing C. Reeves in was "Noises Off"... and that was awhile after he was cemented into my brain as Superman.

I never had the opportunity to see G. Reeves as the Man of Steel, so there's no connection for me.

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Put me on wheels and I'll turn tricks.

Clever? Nah, I ran out of that years ago. But if you find this, let me know, k?
"The road goes ever on..." ~ Tolkien

In memory of my friend skip...
Go then, there are other worlds than these