She studied at the Konrad Wolff Hochschule für Film und Fernsehen in Potsdam.
At the same time, she worked in film and television with Martin Benrath, Robert Atzorn, Thekla Carola Wied, Jenny Gröllmann, and Jaecki Schwarz.
By 2008, she was a member of the Hans Otto Theater Potsdam under the Lauffenbergs including Katharina Thalbach, Dieter Mann, Winfried Glatzeder, Angelica Domröse and Desiree Nick in leading roles on-stage.
Since August 2008 Antoni has been a freelancer and guest at the Hans Otto Theater.
In Potsdam she played the following roles: Antoni has received the following awards and nominations: