High Quality Content by WIKIPEDIA articles! Season seven of Cold Case, an American television series, began airing on September 27, 2009 and concluded on May 2, 2010. Season seven regular cast members include Kathryn Morris, Danny Pino, John Finn, Thom Barry, Jeremy Ratchford and Tracie Thoms. This is the series`s last season; it was cancelled due to low ratings. This season had an average of 9.86 million viewers, being the least watched season of the series.