When she received fan mail from young girls saying they wanted to grow up to be like her, she decided to quit smoking.
Her Battlestar Galactica (2004) co-star Tricia Helfer is one of her closest friends.
She loved Xena: Warrior Princess (1995) because Xena was one of the first strong female characters to air weekly on TV.
Before her big break, she worked as a waitress at Saddle Ranch Chop House.
In 2008, while filming the final season of Battlestar Galactica (2004), she felt physically weak. After filming ended, she was diagnosed with thyroid cancer. Her thyroid was surgically removed and she did not need radiation therapy. The cancer went into remission in February 2009.
For the final episodes of the third season of Battlestar Galactica (2004), she had to sign a non-disclosure agreement to keep her character's fate secret.
She practices yoga regularly and runs 10 miles every Sunday.
She has a tattoo of the Japanese symbol for 'choice'. She also has a cross tattoo on her left shoulder blade and a Latin phrase meaning 'public property' on her right arm.
She gave birth to her first child, a daughter named Ginevra Grace Gadsby, on December 6, 2021.
On January 29, 2015, Sackhoff confirmed on Schmoes Know Movies that she was in a relationship with New Zealand actor Karl Urban.
She has two dogs, one named 'Meatball' and a newly adopted puppy she named 'Nelly B' after her character on The Education of Max Bickford (2001).
She briefly attended Santa Monica College before dropping out to focus on acting.
She is good friends with Karen Gillan.
Although White Noise 2: The Light (2007) received a 'Rotten Tomatoes Award', many critics said Katee's performance was 'liked'.
Her father, Dennis Erick Sackhoff, who is of German descent, is a land developer.
She played her first major role in the TV movie Fifteen and Pregnant (1998).
She was included in Entertainment Weekly's '100 Stars We Love Right Now' list (2007).
Her mother, Mary Helene Grommesch, is the coordinator of an English as a Second Language program.
Her dog Meatball posed with her in a photo shoot taken by photographer Frank Veronsky.
She grew up with her older brother Erick, who is a co-owner of a vehicle modification shop near Portland.
She starred alongside Kiefer Sutherland in the television series 24 (2001).
She revealed that when she came to California in 1998, she auditioned for Power Rangers Lost Galaxy (1999) or Power Rangers Lightspeed Rescue (2000). She would later appear as Kimberly Ann Hart in the fan short film Power Rangers (2015).