Director/a
Wolf Rilla
DIRECTOR/A
Reparto (por orden de créditos)
George Sanders
Gordon Zellaby
Barbara Shelley
Anthea Zellaby
Martin Stephens
David Zellaby
Michael Gwynn
Alan Bernard
Laurence Naismith
Doctor Willers
Richard Warner
Harrington
Jenny Laird
Mrs. Harrington
Sarah Long
Evelyn Harrington
Thomas Heathcote
James Pawle
Charlotte Mitchell
Janet Pawle
Pamela Buck
Milly Hughes
Rosamund Greenwood
Miss Ogle
Susan Richards
Mrs. Plumpton
Bernard Archard
Vicar
Peter Vaughan
P.C. Gobby
John Phillips
General Leighton
Richard Vernon
Sir Edgar Hargraves
John Stuart
Professor Smith
Keith Pyott
Dr. Carlisle
Alexander Archdale
The Coroner
Sheila Robins
Nurse
Tom Bowman
Pilot
Anthony Harrison
Lieutenant
Diane Aubrey
W.R.A.C. Secretary
Gerald Paris
Sapper
Bruno
The Dog
June Cowell
Alien Child
Linda Bateson
John Kelly
Carlo Cura
Lesley Scoble
Mark Mileham
Roger Malik
Elizabeth Munden
Teri Scoble
Peter Preidel
Peter Taylor
Howard Knight
Brian Smith
Village Child
Janice Hawley
Paul Norman
Robert Marks
John Bush
Billy Lawrence
John Adams
Villager (uncredited)
Chris Adcock
Jack Armstrong
Barbara Bennett
Wallace Bosco
Ted Carroll
Villager at Inquest (uncredited)
Kim Clarke Champniss
Infant David Zellaby (uncredited)
Dan Cressey
Motorcycle Cop (uncredited)
George Curtis
Joe Dunne
Soldier (uncredited)
Helen Ford
Frank Fry
Denis Gilmore
Keith's Older Brother (uncredited)
Pat Hagan
Member of Civil Defence (uncredited)
Aidan Harrington
Philip Johns
Mary Maxfield
Colin McKenzie
Doctor (uncredited)
Pat Meehan
Clive Powell
David Zellaby as a Toddler (uncredited)
Bill Reed
Arnold Schulkes
Jack Silk
John Timberlake
Landlord (uncredited)
Jim Tyson
June West