Joe Mantegna Will Girardi Actor Mary Steenburgen Helen Girardi Actor Amber Tamblyn Joan Girardi Actor Michael Welch Luke Girardi Actor Jason Ritter Kevin Girardi Actor Chris Marquette Guest Star Becky Wahlstrom Guest Star Annie Potts Guest Star Mageina Tovah Guest Star Sprague Grayden Guest Star Mark Totty Guest Star Constance Zimmer Guest Star Kimberly McCullough Guest Star Diane Delano Guest Star Sam Horrigan Guest Star Matthew McKane Guest Star Sonya Eddy Guest Star Kris Lemche Guest Star Barbara Hall Executive Producer James Hayman Executive Producer Martha Mitchell Director David Grae Writer