Director/a
Paul Dickson
DIRECTOR/A
Reparto (por orden de créditos)
Kieron Moore
Commander Michael Hayden
Lois Maxwell
Kim Hamilton
Donald Wolfit
Professor Merrity
Bryan Forbes
Jimmy Wheeler
Jimmy Hanley
Larry Noble
Barry Keegan
Lefty Blake
Donald Gray
Captain Ross
Thea Gregory
Barbara Noble
Shirley Lawrence
Ellen
Alan Gifford
Colonel Galloway
Walter Hudd
Professor Blandford
Peter Neil
Tony
Ryck Rydon
Reporter
Ronan O'Casey
Robert O'Neil
Charles Richardson
General Barnett
Carl Jaffe
Professor Bechstein
John Baker
Official(uncredited)
Arnold Bell
Radio Commentator(uncredited)
Paul Beradi
Reporter(uncredited)
Bernard Bresslaw
Technician(uncredited)
Jane Dore
Young Girl(uncredited)
Patrick Halpin
Alastair Hunter
Bill Nagy
Tony Quinn
Jack - Barman(uncredited)
Terry Randall
Trevor Reid
Simmons - Technician(uncredited)
Leonard Sharp
Thomas - Watchman(uncredited)
Frank Sieman
Gatekeeper(uncredited)
John Wilder
Johnny Wyne