Bryan Alexander, USA TODAY 2:02 p.m. EDT March 28, 2014
Tom Hollander and Hugh Bonneville played shady fixers in "Muppets Most Wanted."
The film, which opened March 21, continued the Muppet tradition of great celebrity cameos. Who could forget Steve Martin as a surly waiter in 1979's The Muppet Movie?
"It's the blink-and-you'll-miss-it ones that are really fun," says writer-director James Bobin.
Some of appearances, such as getting Usher to play a wedding usher, are written into the script, says Bobin, while others just seem to happen spontaneously. For example, Bobin knew he needed Sean Combs for a Muppets celebration scene.
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