She gained great fame through her portrayal of Charlotte Saalfeld, one of the main roles in the ARD telenovela Sturm der Liebe, which she played continuously from September 2005 to May 2018.

Mona is the daughter of opera singer Irmgard Seefried and violinist Wolfgang Schneiderhan.

[1][unreliable source] From 1980 to 1985 she was a member of the Berlin state drama theater ensemble under the direction of Boy Gobert.

[2] She gained great fame through her portrayal of Charlotte Saalfeld, one of the main roles in the ARD telenovela Sturm der Liebe (Storm of Love), which she played continuously from September 2005 to May 2018.

Seefried has been a member of the IVQS foundation's board of trustees since 2019 which fights against poverty among actors in old age.