A bomb dooms the first space satellite, manned by a selfless crew, a stowaway reporter (Lois Maxwell) and a mad scientist (Donald Wolfit).
Kieron Moore
Cmdr. Michael Haydon
Lois Maxwell
Kim Hamilton
Donald Wolfit
Prof. Merrity
Bryan Forbes
Jimmy Wheeler
Jimmy Hanley
Larry Noble
Barry Keegan
Lefty
Walter Hudd
Professor Blandford
Donald Gray
Captain Ross
