Elizabeth Norment, most recently known for playing Nancy Kaufberger on the hit Netflix original series House of Cards, has died. She was 61.

NBC News reports that Norment died at Memorial Sloan Kettering Cancer Center in NYC, but the specifics of her death are still unknown.

“Everyone at ‘House of Cards’ is deeply saddened by Elizabeth’s passing. She was a talented actress, a warm soul and a good friend to us all,” said showrunner Beau Willimon in a statement.

Actress Elizabeth Norment, Frank Underwood's secretary on 'House of Cards,' dies at 61 http://t.co/k7ZS3hPKrp pic.twitter.com/IIWL5G30yu

— NBC News (@NBCNews) October 29, 2014

RIP Elizabeth Norment. We all loved her and she leaves a void in all of us here at HoC's.

— Kevin Spacey (@KevinSpacey) October 28, 2014

Although House of Cards was Norment’s biggest role to date, the actress appeared in over two dozen films and television series, including Law & Order, All My Children, Party of Five, ER, and Romy and Michele’s High School Reunion.