There are 6 of them! The sixth star passed away in the past couple of weeks. Oscar and Emmy-winning actor Karl Malden, perhaps best known as the American Express pitchman died at 97 years old!Malden died from natural death at his home in Brentwood.Malden won an Academy Award for best supporting actor for playing Mitch in 1951's 'Streetcar Named Desire' with Vivien Leigh and Marlon Brando. Most of his film work was in the 1950s and 60s in