Several of the actors on Smash have actually performed in Broadway musicals.
Megan Hilty played Glinda in Wicked and originated the role of Doralee in 9 to 5.
Christian Borle was in the original casts of Spamalot and Peter and the Starcatcher, and originated the role of Emmett in Legally Blonde.
Brian d'Arcy James was in the original casts of Titanic, the revival of The Apple Tree, and played the title role in Shrek.
Wesley Taylor was in the original casts of Rock of Ages and The Addams Family.
Will Chase has been in Rent, Aida, The Full Monty, and Billy Elliot.
Ann Harada (Linda) originated the role of Christmas Eve in the puppet musical "Avenue Q."
Anjelica Huston has never been in a Broadway musical, but in 1969 she played Ophelia in a Broadway production of Hamlet, and Leslie Odom Jr. Played Aaron Burr in "Hamilton" which he won the Tony Award for best actor for his performance.Jeremy Jordan played Jay Gatsby in "The Great Gatsby"
