A rocket engineer, responsible for sending a satellite into space, is accused of committing the most extraordinary crime.
| Actor | Role |
|---|---|
 Howard DuffDr. Stephen Mitchell | Dr. Stephen Mitchell |
 Eva BartokDr. Lisa Frank | Dr. Lisa Frank |
 Alan WheatleyDr. Smith | Dr. Smith |
 Philip LeaverProfessor Koepler | Professor Koepler |
 Michael MedwinDr. Toby Andrews | Dr. Toby Andrews |
 Andrew OsbornDr. Philip Crenshaw | Dr. Philip Crenshaw |
| CCecile ChevreauVanessa Mitchell | Vanessa Mitchell |
 Anthony IrelandGeneral Hayes | General Hayes |
 Hugh MoxeyColonel Alfred Daniels | Colonel Alfred Daniels |
 David HorneMinister | Minister |
| LLeo PhillipsSergeant Peterson (uncredited) | Sergeant Peterson (uncredited) |
 Marianne StoneMrs. Rogers (uncredited) | Mrs. Rogers (uncredited) |
| JJean Webster-BroughMrs. Daniels (uncredited) | Mrs. Daniels (uncredited) |