Home People Kathy Christopherson Kathy Christopherson shows Kathy Christopherson shows Kathy Christopherson TV Shows (7) Californication (2007) As Nikki Mandel, She was 41 years old Cold Case (2003) She was 37 years old CSI: Crime Scene Investigation (2000) She was 34 years old Becker (1998) She was 32 years old Step by Step (1991) She was 25 years old Doogie Howser, M.D. (1989) She was 23 years old Knots Landing (1979) She was 13 years old
