These celebrities were born on January 13:

Julia Louis-Dreyfuss is 48
Trace Adkins is 47
Penelope Ann Miller is 45
Orlando Bloom is 32
Frances Sternhagen is 79
Rip Taylor is 75
Fred White is 54
Kevin Anderson is 49
Graham McPherson  is 48
Patrick Dempsey is 43
Traci Bingham is 41
Nicole Eggert is 37
Billy Gray is 71
Richard Moll is 66
Trevor Rabin is 55