
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)