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Biography
Piper Mackenzie Harris is an American former child actress and model. She is most famous for her role in the 2009 film G-Force, in which she plays Penny Goodman, a little girl who takes home one of the guinea pigs in the film. Piper is also known for her appearance on iCarly as the Crying Sunshine Girl and also for many television guest appearances on popular series including Big Bang Theory and Modern Family.
Filmography15 titles

How I Met Your Mother
2005as Lily Aldrin
2005as Lily Aldrin

iCarly
2007as Emily Millford
2007as Emily Millford

Modern Family
2009as Maureen
2009as Maureen

Lie to Me
2009as Bernadette Doyle
2009as Bernadette Doyle

The Big Bang Theory
2007as Girl #1
2007as Girl #1

The Middle
2009as Rayna
2009as Rayna

The Fosters
2013as Chelsea
2013as Chelsea

Parenthood
2010as Stella
2010as Stella

NCIS: Los Angeles
2009as Allie Chambers
2009as Allie Chambers

Flashforward
2009as Child
2009as Child

Sound of My Voice
2011as Heidi
2011as Heidi

R.I.P.D.
2013as Nick's New Avatar
2013as Nick's New Avatar

G-Force
2009as Penny
2009as Penny

Christmas Mail
2010as Emily
2010as Emily

Blonde Ambition
2007as Amber Perry
2007as Amber Perry