Haylie Katherine Duff is an American actress and singer. She is best known for her roles as Sandy Jameson in the television series 7th Heaven, Amy Sanders in Lizzie McGuire and Summer Wheatley in Napoleon Dynamite. An avid food blogger, Duff had her own cooking show, The Real Girl's Kitchen, in 2014. She is the older sister of Hilary Duff.
| Movie | Killing All My Sisters | 2024 |
| Movie | Material Girls | 2006 |
| Episode |
Joan of Arcadia Independence Day |
2005 |
| Episode |
The Oprah Winfrey Show Gwen Stefani, Hilary Duff and Enrique Iglesias Surprise Their Biggest Fans |
1970 |
| Episode |
Boston Public Chapter Sixteen |
2001 |
| Episode |
Hallmark Channel's Countdown to Christmas Hats Off to Christmas |
2013 |
| Episode |
Joan of Arcadia Shadows and Light |
2005 |
| Episode |
Lizzie McGuire Clue-Less |
2003 |
| Episode |
The Oprah Winfrey Show Gwen Stefani, Hilary Duff and Enrique Iglesias Surprise Their Biggest Fans |
1970 |
| Episode |
Third Watch Collateral Damage (1) |
2003 |
| Episode |
The Oprah Winfrey Show Gwen Stefani, Hilary Duff and Enrique Iglesias Surprise Their Biggest Fans |
1970 |
| Episode |
Today July 1, 2014 |
2014 |
| Episode |
The Oprah Winfrey Show Gwen Stefani, Hilary Duff and Enrique Iglesias Surprise Their Biggest Fans |
1970 |
| Episode |
Napoleon Dynamite Scantronica Love |
2012 |
| Episode |
Chicago Hope Boys Will Be Girls |
2000 |
| Episode |
The Oprah Winfrey Show Gwen Stefani, Hilary Duff and Enrique Iglesias Surprise Their Biggest Fans |
1970 |
| Episode |
Lizzie McGuire Party Over Here |
2002 |
| Episode |
That's So Raven He's Got the Power |
2004 |
| Episode |
The Oprah Winfrey Show Gwen Stefani, Hilary Duff and Enrique Iglesias Surprise Their Biggest Fans |
1970 |
| Episode |
Boston Public Chapter Nine |
2001 |
| Episode |
Lizzie McGuire Gordo's Video |
2002 |
| Episode |
Joan of Arcadia Romancing the Joan |
2005 |
| Episode |
Lizzie McGuire Xtreme Xmas |
2002 |
| Episode |
The Wendy Williams Show Real Girl's Kitchen |
2013 |
