A bomb dooms the first space satellite, manned by a selfless crew, a stowaway reporter (Lois Maxwell) and a mad scientist (Donald Wolfit).
as Cmdr. Michael Haydon
as Kim Hamilton
as Prof. Merrity
as Jimmy Wheeler
as Larry Noble
as Lefty
as Professor Blandford
as Captain Ross
as Barbara Noble
as Ellen
as Tony
as Reporter
as Reporter
as Reporter
as Colonel Galloway
as General Barnett
as Professor Bechstein
as Thomas the Watchman (uncredited)
as Reporter (uncredited)
as Reporter (uncredited)
as Reporter (uncredited)
as Reporter (uncredited)
as Reporter (uncredited)
as Reporter (uncredited)
as Reporter (uncredited)
as Simmons the Technician (uncredited)
as Technician (uncredited)
as Technician (uncredited)
as Young Girl (uncredited)
as Gatekeeper (uncredited)
as Official (uncredited)
as Jack the Barman
as Jack the Barman (uncredited)