[1] Jens completed successfully his education as in actor in the Center for Film and Television in Cologne.

He appeared first in a secondary role as Georg Kramer in the feature film Eine indiskrete Reise (An indiscreet journey) in 2004.

[2] In the following years, Hartwig was seen in guest appearances in the sitcom Mein Leben & Ich as Karl and in the soap opera Unter uns as Stefan Metzger.

[4] Over the years, Jens Hartwig also followed the occupation as a stage actor and was seen in plays such as Inkheart, The Storm and The Process.

[5] In August 2009, he took the contract role as Tristan von Lahnstein in the popular soap opera Verbotene Liebe (Forbidden Love).