Good God, ZaSu, Don't Freak Out

1950s commercial for Kellogg's Corn Flakes with ZaSu Pitts with George Reeves as Superman.

Hey Clark....

Be careful how you use your X-ray vision!

From the 1950s, here's George Reeves as Superman's alter ego Clark Kent, in a commercial for Kellogg's Sugar Frosted Flakes.

Clark and Tony

Here's a commercial for Kellogg's Sugar Frosted Flakes that first aired on the old syndicated Adventures of Superman television show as Clark Kent (George Reeves) looks in on an argument between two kids, the Superman way, of course. Tony the Tiger's in this one, too.