They both have gray hair, though, and anyone wearing a hat will have a few stray hairs poking out. I we could actually see his hairline, that would be pretty definitive.

Not sure about Tom Hanks, but Bill Murray definitely would sign a photo of Tom Hanks.

That's not hair, that's an orange hat.

"where facts, proof, and even a surprising amount of investigative journalism on the part of the BBC— which tracked down Hanks’ location on the day the photo was taken"

"I have some theories about what a C.D.L. might be—other than a Commercial Driver License, anyway—but they’re all too vile to put into print." … Answering this was literally what brought be here from Google and give left me with nothing. Thanks for wasting my time :(