She started her career as a fashion model at age 18. She performed in commercials for
The Gap. She appeared in the music video for the
Lonestar song "
Amazed" in 1999. She made her television debut in 1998, appearing in an episode of
LateLine. She made her feature film debut in a supporting role in the 2002 teen comedy film
The New Guy. In 2004, Mabrey starred in the science fiction made-for-television film
Species III, the third installment of the
Species franchise. Mabrey appeared in feature films
XXX: State of the Union (2005),
One Last Thing... (2005),
Snakes on a Plane (2006) and
Not Since You (2009). On television, Mabrey guest-starred on
CSI: Miami,
House,
Desperate Housewives,
Mad Men and
The Closer. She had the recurring roles in the
Lifetime drama series
The Client List and the ABC fantasy series,
Once Upon a Time, playing
Glinda. Mabrey later had a leading role in the science-fiction film
Teleios (2017) and co-starred in the drama film
Hillbilly Elegy (2020). In 2023, she had a recurring role in the CW series
Gotham Knights. ==Personal life==