Catherine Bell Net Worth is $35 Million. Catherine Bell is an American actress with a net worth of $35 million. Catherine Bell made most of her net worth acting on television. Bell is most known for her role in the television series JAG. Bell was bor Catherine Lisa Bell is an American actress known for her role of Lieutenant Colonel Sarah MacKenzie of the television show JAG from 1997 to 2005. Currently she stars in the Lifetime Television series Army Wives as Denise Sherwood.