Karven made her big screen debut in 1984, at age 20, with the participation in film Ein irres Feeling, directed by Nikolai Müllerschön.

In the film, directed by Thomas Nennstiel, the actress plays the role of Nina von der Heyden.

[3] In June 2001 4-year-old Daniel Karven-Veres,[4] drowned while attending a party at Mötley Crüe's drummer Tommy Lee's Malibu mansion in 2001.

[5] Karven began practicing yoga when she was 30, and has published several books and DVDs promoting and demonstrating yoga-based exercises.

[6][7] As well as acting, Karven markets her own line of baby products and a maternity clothing range called "Bellybutton".