The actress will appear in the CW drama's tenth episode as Kate Meade, according to TV Guide.
The strong-willed mother of Charles (Gale Harold) and grandmother of Diana (Shelley Hennig), Kate will quickly establish a rivalry with Dawn (Natasha Henstridge).
Kramer is best known for her role in cop drama Hunter, which ran on NBC from 1984 to 1991.
She has also appeared in episodes of The A-Team, The Dukes of Hazzard and Starsky and Hutch.
The Secret Circle was picked up for a full season by The CW earlier this month.
The Amazing Spider-Man star Chris Zylka recently debuted on the show as Jake, the brother of Nick (Louis Hunter),
The Secret Circle airs on Thursdays at 9/8c on The CW.
> Secret Circle star teases Halloween episode
Watch a preview for the next episode of The Secret Circle below: