Christian Borle Tom Levitt Actor Debra Messing Julia Houston Actor Katharine McPhee Karen Cartwright Actor Jack Davenport Derek Wills Actor Megan Hilty Ivy Lynn Actor Anjelica Huston Eileen Rand Actor Jaime Cepero Ellis Tancharoen Actor Raza Jaffrey Dev Sundaram Actor Brian d'Arcy James Frank Houston Actor Nick Jonas Guest Star Steven Spielberg Executive Producer Craig Zadan Executive Producer Neil Meron Executive Producer Darryl Frank Executive Producer Justin Falvey Executive Producer Marc Shaiman Executive Producer Scott Wittman Executive Producer Theresa Rebeck Executive Producer David Marshall Grant Executive Producer