David Kohan Creator, Executive Producer Max Mutchnick Creator, Executive Producer Eric McCormack Will Truman Actor Debra Messing Grace Adler Actor Sean Hayes Jack McFarland Actor Megan Mullally Karen Walker Actor Gregory Hines Ben Doucette Guest Star Orson Bean Professor Joseph Dudley Guest Star Piper Laurie Sharon Guest Star Shelley Morrison Rosario Salazar Guest Star James Burrows Director, Executive Producer Tim Kaiser Producer Michelle Bochner Spitz Writer