Guitarist Mason Williams is 80. Singer Marshall Thompson of The Chi-Lites is 76. Keyboardist Ken Hensley (Uriah Heep) is 73. Actress Ann Archer is 71. Actor Joe Regalbuto ("Murphy Brown") is 69. Actor Kevin Dunn ("Samantha Who?") is 63. Actor Steve Guttenberg is 60. Actor Jared Harris ("The Crown," ''Mad Men") is 57. Talk show host Craig Kilborn is 56. Singer John Bush (Anthrax) is 55. Actress Marlee Matlin is 53. Newsman David Gregory ("Meet The Press") is 48. Country singer Kristyn Osborn of SheDaisy is 48. Actor-comedian Dave Chappelle is 45. Actor Carmine Giovinazzo ("CSI: New York") is 45. Actor Alex O'Loughlin ("Hawaii Five-0") is 42. Actor Chad Michael Murray ("One Tree Hill," ''A Cinderella Story") is 37. Drummer Jeffrey Gilbert of Kutless is 35. Actor Rupert Grint ("Harry Potter") is 30.