- The original titles for the project were "No Surrender" and "Never Surrender" They had to choose a new title because a book was published with a similar title during production. Producers held a contest among the cast and crew to choose a new title. A production secretary submitted the winning title and won $100.
- Originally, 'Bretolt Brecht' was denied story credit by the Screen Writer's Guild, even though he worked closely with writer John Wexley on the project.
- The idea for the film was inspired by an actual assassination in Czechoslovakia during World War II.
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