Banned in China: Here is an incomplete list of various bans related to the game, whether on playing the game itself or on specific players. Yes, China is on the list, though the game isn't banned there now.
And a partial Trope Namer for anytrope whose name includes the word "Gambit". Although the chess meaning ("a chess opening in which a player risks one or more pawns or a minor piece to gain an advantage in position") is far more specific than its metaphorical usage ("a calculated move or ploy; an opening move meant to gain advantage"), the usage from chess is older (1656 vs. 1855, according to the Online Etymology Dictionary.)
Josh Groban: recording artist (Anatoly Sergievsky, 2002 Actors' Fund and 2008 Royal Albert Hall)
Adam Pascal: Rent, Aida (Freddie Trumper, 2002 Actors' Fund and 2008 Royal Albert Hall)
Idina Menzel: Rent, Wicked (Florence Vassey, 2008 Royal Albert Hall)
The Swedish production in 2002 featured Helen Sjöholm as Florence and Anders Ekborg as Freddie; they had previously played the (less dysfunctional) lead couple of Kristina and Karl-Oskar in Kristina fran Duvemala, also written by Andersson and Ulvaeus. Tommy Körberg also reprised his original role of Anatoly.
Hey, It's That Guy's Brother: Murray Head, brother of Anthony Stewart Head, played Freddie in the 1980s West End production, and performs "One Night in Bangkok" on the album. Anthony Stewart Head himself played Freddie in the West End near the end of its run.