Katherine Heigl was born in Connecticut on November 24, 1978.  She grew up there, with her two old brothers and older sister.  The natural blonde got her start as a child model in Sears catalogs.  She then moved to commercial work, which eventually opened doors for film roles.  Small roles in That Night and King of the Hill started her film career.  In 1994, Katherine had a main role in My Father, the Hero, playing Gerad Depardieu's resentful daughter.  This lead up to playing Steven Segal's niece in Under Siege 2: Dark Territory.  After this role, Katherine flourished with fame, appearing on David Letterman and Jay Leno, and on the cover of Seventeen Magazine.  Following the graduation of high school, Katherine moved to California to concentrate on acting, full-time.  She starred in the independant feautures Prince Valiant and Stand-In's. In 1998, Katherine became part of the Chucky sequels, when she joined the cast, including Jennifer Tilly, in the cult-hit The Bride of Chucky .   Despite the horror of Chucky, the 5'9" actress went on to co-star with Peter Fonda in the tv-movie, The Tempest.  And now, she plays Isabel Evans on the WB hit, "Roswell".
In some interviews she has given, Katherine Heigl jokes about how she got a big breast size.  She said that when she started her teen years, she prayed a lot so that she could have that physical, and outstand attribute of hers.  Now she says she'll try praying for world peace to become a reality.
She auditioned for all three female role on "Roswell" before being cast as Isabel.
She is half Irish and half German.
She is a former model.
100 Girls (1999).....Arlene
"Roswell" (1999) tv series.....Isabel Evans
Bug Buster (1998).....Shannon Griffin
The Tempest (1998) tv.....Miranda Prosper
The Bride of Chucky (1998).....Jade
Stand-Ins (1997).....Taffy
Prince Valiant (1997).....Princess Ilene
Wish Upon a Star (1996) tv.....Alexia Wheaton
Under Siege: 2 (1995).....Sarah Ryback
My Father, the Hero (1994).....Nicole
King of the Hill (1993).....Christina Sebastian
That Night (1992).....Kathryn