'' Diminished Capacity '' is a 2008 comedy film directed by Terry Kinney and written by Sherwood Kiraly , based on his novel of the same name . It stars Matthew Broderick , Virginia Madsen , and Alan Alda . It was released at the 2008 Sundance Film Festival and opened in theaters in July 2008 . It was produced by Plum Pictures
2008 Sundance Film Festival
2008 Sundance Film Festival
Diminished Capacity