Henny Reents was born in Wittmund, East Frisia, and first studied dance in Leipzig and Amsterdam before beginning her acting studies in Hamburg after graduating in 1998. In 2000, Max Färberböck discovered her for his film September. This was followed by leading roles in films such as Verfluchte Beute (Pro7), Bei hübschen Frauen sind alle Tricks erlaubt (Pro7) and Deutschmänner (ZDF), as well as episode leading roles in Großstadtrevier (ARD), Soko Köln and Doppelter Einsatz (RTL). In 2004, she also appeared in the cinema in Erkan und Stefan, der Tod kommt krass .In 2006, she appeared in Thomas Jauch’s film version of Peer Gynt (arte/ZDF), among others, and took on a series lead role alongside Axel Milberg in Doktor Martin and in the cinema project Hamsterjob. The following year, she played Moritz Bleibtreu’s wife in Chiko, Özgür Yildirim’s acclaimed feature debut. She also took on a permanent role in the ZDF series Kriminaldauerdienst (KDD). In 2008, she played the lead episodic roles in Ein Fall für zwei (ZDF) and Countdown (RTL) and starred in the tragicomedy Hoffnung für Kummerow for ARD and arte.