Actress Stephanie Niznik has died at age 52. The star passed away unexpectedly on June 23 in Encino, California, according to Variety.
Niznik was best known for her role as Nina Feeney in The WB drama Everwood, which aired from 2002 to 2006.
The statuesque blonde also made appearances in Star Trek: Insurrection and Star Trek: Enterprise.
The cause of her death has not yet been revealed.