The film repeatedly reminds you Jeff's a dimwit with a nasty violent streak, but Stan can't play dumb, or scary, if his life depended on it. (punchdrunkmovies.com)
Wagner is a Washington DC attorney; Nouri is her husband, also an attorney, but one with a profound violent streak. (rottentomatoes.com)
Tommy's own violent streak, displayed when he lashes out at a fellow resident, makes him a suspect; he even doubts his own sanity. (rottentomatoes.com)