Reiner Schöne (born 19 January 1942) is a German actor, known for such roles as Dukhat in the Babylon 5 series, Shinnok in Mortal Kombat: Annihilation, Esoqq in the Star Trek: The Next Generation episode "Allegiance", Kolitar in the television series Sliders and The Eiger Sanction as Karl Freytag, and as Optimus Prime in the German dub of the live-action Transformers film series.

Description above from the Wikipedia article Reiner Schöne, licensed under CC-BY-SA, full list of contributors on Wikipedia.