Endemann has been active in German television from the 1960s onwards, including appearances on Percy Stuart (with Claus Wilcke), Tatort, Derrick, Hamburg Transit, and Unser Charly. Film credits include the international co-production Shout at the Devil (with Roger Moore and Ian Holm). For children's audio cassettes, he played Major Hoffman in the Commander Perkins series. His son Jannik Endemann was heard in the German dub of Dog City.