What acting advice did Michael Caine give Kermit the Frog on the set of The Muppet Christmas Carol?

There's something about The Muppet Christmas Carol that sets it apart from other Muppets movies.

While we could go ahead and list a bunch of things that would make us sound like really smart film analysts, let's just get to the point — a big reason for that is Sir Michael Caine, the legendary actor who recently decided to hang it up after an iconic career.

Even while you have some ridiculous animal cracking dumb jokes, Caine's presence elevates every frame he appears in.

While he was on set, he purportedly treated the Muppets as fellow actors, even going as far as to give co-star Kermit the Frog a bit of acting advice. What do you think one of the greatest actors of a generation told Kermit?

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