Actress Mariska Hargitay will host the ceremony on September 14 in Los Angeles. An open challenge among "The Diplomat," "The Bear," and "Beef - The Clash."

Mariska Hargitay is set to host the 78th Primetime Emmy Awards, airing on NBC on Sept. 14. NBCUniversal announced her as host on Tuesday.

The 'Law & Order: SVU' star is the first performer not primarily known for comedy to host the ceremony since 2008.

NBCUniversal announced the host on Tuesday, the day before nominations are unveiled

Actor Jane Lynch headlined the awards in 2011.