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 Shelley Morrison Rosario Salazar Actor James Earl Jones Himself Guest Star Blythe Danner Marilyn Truman Guest Star Emily Rutherfurd Joanne Guest Star James Burrows Executive Producer, Director Jeff Greenstein Executive Producer Gary Janetti Writer