Home People Yeardley Smith Yeardley Smith shows Yeardley Smith shows Yeardley Smith TV Shows (20) The Big Bang Theory (2007) She was 43 years old Mad Men (2007) She was 43 years old Phil of the Future (2004) She was 40 years old Best Week Ever (2004) She was 39 years old Dead Like Me (2003) As Penny, She was 38 years old Family Guy (1999) She was 34 years old Sports Night (1998) She was 34 years old Teen Angel (1997) As Miss Gross, She was 33 years old Dharma & Greg (1997) She was 33 years old Smart Guy (1997) She was 32 years old Likely Suspects (1992) She was 28 years old Herman's Head (1991) As Louise Fitzer, She was 27 years old The Simpsons (1989) As Lisa Simpson, She was 25 years old Murphy Brown (1988) She was 24 years old CBS Summer Playhouse (1987) As Paula Bennett, She was 22 years old The Tracey Ullman Show (1987) As Lisa Simpson, She was 22 years old Square One Television (1987) As Jane Rice-Burroughs, She was 22 years old Mathnet (1987) As Jane Rice Burroughs, She was 22 years old Brothers (1984) As Louella, She was 20 years old ABC Afterschool Special (1972) She was 8 years old
