"After an unusual meteor shower leaves most of the human population blind, a merchant navy officer must find a way to conquer tall, aggressive plants which are feeding on people and animals."
Howard Keel
as Bill Masen
Janina Faye
as Susan - Child on the Train
Nicole Maurey
as Christine Durrant
Janette Scott
as Karen Goodwin
Kieron Moore
as Tom Goodwin
Mervyn Johns
as Mr. Coker
Ewan Roberts
as Dr. Soames
Alison Leggatt
as Miss Coker
Geoffrey Matthews
as Luis de la Vega
Gilgi Hauser
as Teresa de la Vega
John Tate
as Captain - SS Midland
Carole Ann Ford
as Bettina
Arthur Gross
as Flight 356 Radioman
Colette Wilde
as Nurse Jamieson
Ian Wilson
as Greenhouse Watchman
Victor Brooks
as Poiret
Chris Adcock
as Train Passenger (uncredited)
Michael Bishop
as Flight 356 Pilot (uncredited)
Ernest Blyth
as SS Midland Passenger (uncredited)
Jim Brady
as Escaped Prisoner (uncredited)
Jimmy Charters
as Blind Man at Station (uncredited)
Maxwell Craig
Mick Dillon
as Triffid (uncredited)
Katya Douglas
as Mary (uncredited)
Peter Dyneley
as Narrator / Parisian Radio Operator (voice) (uncredited)
Mabel Etherington
as Blind Woman (uncredited)
Thomas Gallagher
as Burly Man (uncredited)
Muriel Greenslade
George Hilsdon
as Man in Train Station (uncredited)
Gerry Judge
Frederick Kelsey
as Train Crash Survivor (uncredited)
Juba Kennerley
as Airline Passenger (uncredited)
Edith Pavitt
Harry Phipps
Bill Rayment
Ernie Rice
Johnny Rossi
John Simpson
as Blind Man (uncredited)
Esme Smythe
as Panicky Blonde on Flight 356 (uncredited)
Sidney Vivian
as Ticket Agent (uncredited)
Joe Wadham
Fred Wood
Steve Sekely
Director
Bernard Gordon
Screenplay
John Wyndham
Novel
George Pitcher
Producer
Philip Yordan
Executive Producer
Ron Goodwin
Original Music Composer
Ted Moore
Director of Photography
Cedric Dawe
Art Direction
Wally Veevers
Visual Effects
Eileen Warwick
Hairstylist
Paul Rabiger
Makeup Artist
John Winbolt
Camera Operator
Matt McCarthy
Sound Editor
John Shinerock
Focus Puller
Maurice Askew
Sound Recordist
Bert Ross
Hugh Davey