Heidi Hudson Leick was born on May 9, 1969 in Cincinnati, Ohio, where she lived for a short period of time before moving to Rochester, New York. She later attended the Neighborhood Playhouse Acting School in New York City. Leick started her career as a model, but decided to concentrate on acting. She took courses in drama and diction to improve her voice. In 1992 she appeared in one episode of the series CBS Schoolbreak Special. The following year, Leick appeared in an episode of Law & Order.

Leick's big break came in 1995 when she won a part on Melrose Place. Afterward, Robert Tapert selected Leick for the role of Callisto on Xena: Warrior Princess. She has also appeared in Blood Type, 7th Heaven, Denial, Touched by an Angel, After the Game and Safe Harbor. She performed in A.I. Assault, CSI: Crime Scene Investigation, Lords of Everquest, Tru Calling, Primal, Fastlane and Cold Heart.

Recently, Leick finished recording One, Two, Many and began work on Hallowed Ground.

Leick has a long term interest in yoga, she is qualified to teach yoga professionally in the USA, and holds certificates in Kundalini, Hatha and Vipassana meditation.