German. Most Germans pronounce the th and s as z, when talking in English, myself included sometimes - for instance I catched myself saying friday "ze bar iz opened' (immediately thinking: wow, that was baaad).
I'm so glad that I always watch movies in the original language, no exceptions ever! However, the majority in Germany and Austria will have watched the dubbed version. He will probably be dubbed as American or Canadian, because everyone else is speaking German.