Understudy
When the show's new star gets stuck in Cuba, Derek puts Karen in as understudy.

Cast
Katharine McPheeKaren Cartwright
Megan HiltyIvy Lynn
Jack DavenportDerek Wills
Jeremy JordanJimmy Collins
Debra MessingJulia Houston
Christian BorleTom Levitt
Anjelica HustonEileen RandSmash on tvt

