Hayden Panettiere
Television

Year
Title
Role
Notes
1994–1997
One Life to Live
Sarah Roberts
-
1996
Aliens in the Family
Young Girl
Episode: "Too Good to Be True"
1996
How Do You Spell God?
Megan Blackwood
Movie
1997
Unhappily Ever After
Little Girl
Episode: "Little Ice Cream Shop of Horrors"
1998
A Will of Their Own
-
Miniseries
1998–2000
Guiding Light
Lizzie Spaulding
41 episodes
1999
Too Rich: The Secret Life of Doris Duke
Young Doris Duke
Miniseries
1999
Touched by an Angel
Diana
Episode: "Godspeed"
1999
If You Believe
Young Susan Stone / Alice Stone
Lifetime original movie
2000
Between the Lions
Girl with black pigtails and blue eyes
Voice role (uncredited)
2001
Law & Order: Special Victims Unit
Ashley Black
Episode: "Abuse"
2002
Ally McBeal
Maddie Harrington
Main role (12 episodes in season 5)
2003
Normal
Patty Ann Applewood
HBO original movie
2003–2005
Malcolm in the Middle
Jessica
4 episodes (4.13, 6.4, 7.5,6)
2004
Fillmore!
Yumi (voice)
Episode: "Code Name: Electric Haircut"
2004
Tiger Cruise
Maddie Dolan
Disney Channel original movie
2005
Law & Order: Special Victims Unit
Angela Agnelli
Episode: "Hooked"
2005
Lies My Mother Told Me
Haylei Sims
Lifetime original movie
2006
Commander in Chief
Stacy
Episode: "Wind Beneath My Wing"
2006
Skater Boys
Kassidy Parker No.2
Episode: "Band of Gold"
2006–2010
Heroes
Claire Bennet
Main role (74 episodes)
2006–2012
Punk'd
Herself / guest host
4 episodes (7.2, 8.1, 9.3)
2007
Robot Chicken
Cheetara / Ramona / Seuss Sister (voice)
Episode: "Endless Breadsticks"
2010
American Dad!
Ashley (voice)
Episode: "Stan's Food Restaurant"
2011
Amanda Knox: Murder on Trial in Italy
Amanda Knox
Lifetime original movie
2012–2018
Nashville
Juliette Barnes
Main role (112 episodes)
2013
Nashville On The Record
Herself
Special
2016
Chopped Junior
Herself / guest judge
Episode: "Cuteness Overload"
2016
Lip Sync Battle
Herself
Episode: "Hayden Panettiere vs. Eva Longoria"

Question: What roles is Hayden Panettiere best known for?
Answer: Hayden Panettiere is best known for playing the main roles of Claire Bennet on the series Heroes (2006–2010) and Juliette Barnes in the series Nashville (2012–2018).