A space expedition to Uranus is menaced by a giant brain that can make illusions come true.
| Actor | Role |
|---|---|
 John AgarCapt. Don Graham | Capt. Don Graham |
 Carl OttosenEric | Eric |
 Ove SprogøeBarry O'Sullivan | Barry O'Sullivan |
 Louis Miehe-RenardSvend | Svend |
 Greta ThyssenGreta | Greta |
 Ann SmyrnerIngrid | Ingrid |
 Mimi HeinrichUrsula | Ursula |
 Annie Birgit GardeEllen | Ellen |
| UUlla MoritzLise | Lise |
| BBente JuelColleen | Colleen |
| PPeter MönchKarl | Karl |