Jon Hamm, Channing Tatum, Gillian Jacobs and others we'd like to see
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Why: With “Iron Man 3” on the horizon, publicity for that film will be in full swing before we know it. Getting Robert Downey Jr. to return to “SNL” might be a bigger get for the show, but seems slightly out of the realm of possibility. Instead, the show would do well by getting Cheadle instead. Not only could his appearance serve to plug the film, but he has comedic chops (honed in the “Ocean’s 11” series as well as Showtime’s “House Of Lies”) to spare that would enhance the episode as well.