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Gross is also well known for playing the character Burt Gummer in the "Tremors" movies and subsequent TV series. Since "Family Ties," he has guest-starred on many TV shows, including Michael J. Fox's former show "Spin City" and other shows such as "Psych," "Parks and Recreation" and "Curb Your Enthusiasm." In 2012, he co-starred with Baxter in the Hallmark Channel movie "Naughty or Nice," once again playing husband and wife, as they did on "Family Ties." He's also an avid model railroader and is the "celebrity spokesman" for the B&O Railroad Museum in Baltimore.