Football Hall of Famer Mike Ditka is 85. Composer Howard Shore is 78. Actor Joe Morton is 77. Tennis Hall of Famer Martina Navratilova is 68. Actor Jean-Claude Van Damme is 64. Jazz musician Wynton Marsalis is 63. Actor Zac Efron is 37. Actor Tyler Posey is 33. Actor Barry Keoghan is 32.