Cast
| Vladimir Lenin | ... | Self (archive footage) (as Vladimir Ilyich Lenin) | |
| Maxim Litvinov | ... | Self (as Maxim Litvanoff) | |
| Mohammad Reza Pahlavi | ... | Self (as Shah Mohammad Reza Pahlavi) | |
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Quentin Reynolds | ... | Narrator |
| Franklin D. Roosevelt | ... | Self (as Franklin Delano Roosevelt) | |
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T.V. Soong | ... | Self |
| Joseph Stalin | ... | Self (as Iosif Stalin) | |
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StalinGrad | ... | Itself |
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Edward R. Stettinius Jr. | ... | Self |
| Semyon Timoshenko | ... | Self | |
| Henry Wallace | ... | Self | |
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E.F.L. Wood | ... | Self (as Lord Halifax) |
Additional Crew
| David Fine | ... | technical advisor |
| Maurice Lev | ... | supervisor |
| Quentin Reynolds | ... | commentary writer |
| Robert Velaise | ... | presenter |