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 Aaron Himelstein Guest Star Sprague Grayden Guest Star Annie Potts Guest Star Patrick Fabian Guest Star Constance Zimmer Guest Star Evan Handler Guest Star Zachary Quinto Guest Star Louis Mustillo Guest Star Adrienne Evans Guest Star Max Knowles Guest Star Barbara Hall Executive Producer James Hayman Executive Producer Graeme Clifford Director Lindsay Sturman Writer