He has performed in many TV films and series including police drama Siska for 5 years.

[2] After graduating from high school and completing his three-year military service in the NVA, Freihof then studied at Ernst Busch Academy of Dramatic Arts in Berlin.

From 1998 to 2003, in 50 episodes, he played the role of "Assistant Lorenz Wigand" to Chief Commissioner Siska in the eponymous ZDF crime series.

[10] He had guest appearances in Mona M. – Mit den Waffen einer Frau and Alarm für Cobra 11 – Die Autobahnpolizei, both in 1996, and Der Alte in 1997.

Freihof played Heinrich Himmler, the Reichsführer of the Schutzstaffel (SS) in the movie Valkyrie, about the Stauffenberg assassination (Operation Valkyrie), which reconstructed the assassination of Adolf Hitler on 20 July 1944 and starred Tom Cruise as Stauffenberg.

In 2008, he directed a play called "Ganz Kerle", which was performed in the Theater am Kurfürstendamm in Berlin.