Best TMS guest stars

[Dil]

I'd say for:

Dudley Moore:

The bugs, Gonzo's stunt, the MAMMA Machine, the music, the closing #, and the Pigs in Space sketch makes it one of the craziest Muppet Show Episodes.

 

[David French]

Zero Mostel sure talked a lot in the Fears Sketch.

That's because it was a poem written by Jerry Juhl, and poetry usually involves a person talking. A lot.