

Practical Effects
Miniature zeppelin explosions that aged like fine cheese.
Stunts
Real biplanes doing real stunts because insurance was different then.
Director
Zoran Perisic
Trivia, insights & behind the scenes
Director Zoran Perisic invented the Zoptic zoom process used in Superman, which explains the film's weirdly ambitious aerial photography.
This was Ronald Lacey's final major role before his death—he played Toht in Raiders of the Lost Ark, so casting him as another sneering German was pure typecast poetry.
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