Caution: May Contain Nuts is a Canadian television sketch comedy series, which premiered on APTN in 2007. Created by the Edmonton-based stage comedy troupe Blacklisted, the series focuses partially but not exclusively on First Nations-themed comedy. In 2010, the series was also picked up for rebroadcast on Bite TV.The show's core cast consists of Matthew Alden Dykes, Aimée Beaudoin, Sheldon Elter, Jeff Halaby, James Higuchi, Howie Miller, Dana Andersen, Ryan Parker and Mark Meer. Guest performers have included Joe Flaherty, Adam Beach, Malcolm Azania, Shaun Johnston, Colin Mochrie, Roseanne Supernault and Graham Greene; Flaherty revived some of his former SCTV characters, while Greene appeared in a sketch that satirized his Academy Award-nominated performance in Dances with Wolves.