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Catherine Bell : Cassie Nightingale

Catherine Bell is best known for her work as the headstrong Marine Corps attorney Lt. Sarah "Mac" MacKenzie on the action drama series "JAG" and in the ensemble drama series "Army Wives" as Denise Sherwood, a devoted wife who has returned to work as a nurse while her husband is a major in Iraq and whose son was killed in combat in Afghanistan.

Bell was born in London and moved to Los Angeles with her family at the young age of three. While studying biomedical engineering at UCLA, Bell ventured into modeling, which soon led to immediate recognition in both the United States and overseas. Building on her success as a model, she decided to pursue an acting career, which was launched soon thereafter.

While working in series television, Bell has also generated a loyal fan base with Hallmark Channel's "The Good Witch" movie franchise, always among the highest-rated program offerings on the network. Starring as Cassandra "Cassie" Nightingale, Bell completed seven TV movies in the series, including "The Good Witch," "The Good Witch's Garden," "The Good Witch's Gift," "The Good Witch's Family," "The Good Witch's Charm," and "The Good Witch's Destiny." Other TV credits include the Lifetime's "Still Small Voices" and "Last Man Standing," CBS' "Company Town," and TNT's "Good Morning Killer," as well as guest starring roles on "Law & Order: Special Victims Unit," "Friends," "Dream On," and "King & Maxwell."

Bell's feature film credits include Universal's mega-hit "Bruce Almighty" opposite Jim Carrey and opposite Steve Carrell in the sequel, "Evan Almighty," as well as "Men of War." Bell, along with her two children, resides in Southern California.