Cast & Crew
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Michael CaineNoel Holcroft - Anthony AndrewsJohann von Tiebolt/Jonathan Tennyson
- Victoria TennantHelden von Tiebolt/Helden Tennyson
- Lilli PalmerAlthene Holcroft
- Mario AdorfErich Kessler/Jürgen Mass
- Michaël LonsdaleErnst Manfredi
- Bernard HeptonCommander Leighton
- Richard MünchOberst
- Carl RiggAnthony Beaumont
- André PenvernFrederick Leger
- Andy BradfordHartman
- Shane RimmerLt. Miles
- Alexander KerstGen. Heinrich Clausen
- Michael WolfGen. Erich Kessler
- John FrankenheimerDirector
- Mort AbrahamsProducer
- Ely LandauProducer
- Edie LandauProducer
- Edward AnhaltWriter
- John HopkinsWriter
- George AxelrodWriter