Background
Hagan was born in Austin, Texas. She has been acting since the age of six, when her mother first signed her up for musical theater.
Hagan was born in Austin, Texas. She has been acting since the age of six, when her mother first signed her up for musical theater.
Hagan was first involved with theater companies such as Houston"s Playhouse 1960, the Houston Grand Opera (where she sang in the children"s chorus), the Crighton Playhouse, the Houston Music Hall and the Bitter Truth Theater. Hagan"s first major break came when she was cast in a recurring role as Millie Kentner on the short-lived National Broadcasting Company cult television series Freaks and Geeks (1999–2000). Following that show"s cancellation, she was cast on the David Alan Grier National Broadcasting Company sitcom DAG, where she was originally slated to play Camilla Whitman, daughter of the United States President.
However, the role of Camilla was recast when the pilot episode was revamped before airing.
Following the lead of several fellow Freaks and Geeks cast members, Hagan then appeared in an episode of the short-lived Fox sitcom Undeclared in 2001. Her next roles were a bit part in the Jack Black movie Orange County and a guest role as Melissa in Boston Public in 2002.
After that, she was cast as Amanda in the seventh and final season of the hit cult series Buffy the Vampire Slayer. She recently appeared in the role of Sandy in the NCIS episode "Seek".