James MasonUlysses Diello Danielle DarrieuxCondesa Anna Staviska Michael RennieColin Travers Walter HampdenSir Frederic Taylor Oskar KarlweisL. C. Moyzisch Herbert BerghofCol. von Richter John WengrafCount Franz Von Papen Roger PlowdenKeith Macfadden Diane AdrianSinger on French Record (voice) Stuart HallBritish Military Attaché (uncredited) Joseph L. MankiewiczDirector Lyle R. WheelerArt Direction George W. DavisArt Direction Thomas LittleSet Decoration Walter M. ScottSet Decoration Norbert BrodineDirector Of Photography Charles LeMaireWardrobe Designer Bernard HerrmannOriginal Music Composer