Katherine Heigl is known for her role as Dr. Izzie Stevens (2005-2010) on the ABC TV medical show "Grey's Anatomy (2005-)".

She played Isabel Evans on the TV science fiction show "Roswell (The WB: 1999-2001, UPN: 2001-2002)".

Some other TV shows she appeared on are "The Twilight Zone", "State of Affairs" and "Doubt".

She played Nicole Arnel in the movie "My Father the Hero (1994)", Sarah Ryback in "Under Siege 2: Dark Territory (1995)", Jade Kincaid in "Bride of Chucky (1998)", Shelley Fisher in "Valentine (2001)", Ann Hedgerow (a.k.a. Emily Hedgerow) in "Descendant (2003)", Alison Scott in "Knocked Up (2007)", Abby Richter in "The Ugly Truth (2009)", Holly Berenson in "Life as We Know It (2010)" and Laura Carrington in "New Year's Eve (2011)".

Some other movies she appeared in are "That Night (1992)", "King of the Hill (1993)", "Wish Upon a Star (1996)", "Prince Valiant (1997)", "Stand-ins (1997)", "The Tempest (1998)", "Bug Buster (1998)", "100 Girls (2000)", "Critical Assembly (2002)", "Love Comes Softly (2003)", "Evil Never Dies (2003)", "Wuthering Heights (2003)", "Vegas Dick (2003)", "Love's Enduring Promise (2004)", "Romy and Michele: In the Beginning (2005)", "Side Effects (2005)", "The Ringer (2005)", "Zyzzyx Rd (2006)", "Caffeine (2006)", "27 Dresses (2008)", "Killers (2010)", "One for the Money (2012)", "The Big Wedding (2013)", "Jackie & Ryan (2014)", "Home Sweet Hell (2015)", "Jenny's Wedding (2015)" and "Unforgettable (2017)".

Happy Birthday!