[4][5] He has since found a partner, Sorrel Athina Jardine, and has had two children, including his son Ezra Fintzi.

He has worked in the theater with directors such as Benno Besson, Dimiter Gotscheff, Frank Castorf, Jürgen Gosch, and Robert Wilson.

In film, his collaborations with Michael Glawogger, Oliver Hirschbiegel, Peter Popzlatev, Sönke Wortmann, and Til Schweiger have extended his popularity to a wider audience.

[6] Samuel Finzi has performed in many film and television productions such as Kokowääh, In Between Days [de], Même Dieu est venu nous voir ("Even God Came to See Us"), and Vaterspiele ("Father Games").

In 2013 he starred alongside his son, Ezra Finzi, in the movie Aschenbrödel und der gestiefelte Kater.