Other celebrities guest-starred in single episodes as themselves throughout the series. Sports figures appeared on the show as themselves with a connection to Boston or Sam's former team, the Red Sox, such as Luis Tiant, Wade Boggs and Kevin McHale (of the Boston Celtics).[21] Some television stars also made guest appearances as themselves such as Alex Trebek, Arsenio Hall, Dick Cavett, Robert Urich, George McFarland and Johnny Carson. Various political figures even made appearances on Cheers such as then-Chairman of the Joint Chiefs of Staff Admiral William J. Crowe, former Colorado Senator Gary Hart, then-Speaker of the House Tip O'Neill, then-Senator John Kerry, then-Governor Michael Dukakis, Ethel Kennedy (widow of Robert F. Kennedy), and then-Mayor of Boston Raymond Flynn, the last five of whom all represented Cheers' home state and city.