In 2001, her debut role was Lilli Leonhard in the television film Herzstolpern, a romantic comedy produced for ZDF.

[3] She has had episode-appearances in the series Der letzte Zeuge, Im Namen des Gesetzes, Unser Charly and Cologne P.D.. From 2008 to 2011, Mieth completed acting training at the International Drama Academy CreArte in Stuttgart.

In April 2011, she acted in the ZDF crime series Die Rosenheim-Cops in an episode role as Julia Kammermeier.

In January 2017, she participated in Season 11 of Ich bin ein Star – Holt mich hier raus!

Before moving into the jungle camp, she completed a shoot for the February 2017 issue of German Playboy.