Zach Galifianakis Joins Muppet Cast

Oh, that Robert Downey Jr. Always stirring up headlines.

At a recent press junket for Due Date, he accidentally let slip that costar Zach Galifianakis will appear in the upcoming Muppet movie.

Galifianakis will join Rashida Jones, Amy Adams and Chris Cooper in Jason Segel’s as-yet-untitled flick. Filming is set to begin next month.

Our bearded hero already has some experience with the Muppets. Watch him judge a staring contest between Animal and OK Go below:

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