Actor William Christopher (”M.A.S.H.”) is 77. Rockabilly singer Wanda Jackson is 72. Musician Tom Petty is 59. Actress Melanie Mayron (”thirtysomething”) is 57. Actor Viggo Mortensen is 51. Drummer Jim “Soni” Sonefeld of Hootie and the Blowfish is 45. Bassist Doug Eldridge of Oleander is 42. Rapper Snoop Dogg is 38. Actor John Krasinski is 30. Actress Jennifer Nicole Freeman (”My Wife and Kids”) is 24.