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 Woody Harrelson Nathan Guest Star Adam Goldberg Kevin Wolchek Guest Star Walter Addison D.T. Petersen Guest Star James Burrows Executive Producer, Director Jeff Greenstein Executive Producer Bruce Alden Producer Peter Chakos Producer Tracy Poust Writer Jon Kinnally Writer