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.
Bill Masen
Howard Keel
Susan - Child on the Train
Janina Faye
Christine Durrant
Nicole Maurey
Karen Goodwin
Janette Scott
Tom Goodwin
Kieron Moore
Mr. Coker
Mervyn Johns
Dr. Soames
Ewan Roberts
Miss Coker
Alison Leggatt
Luis de la Vega
Geoffrey Matthews
Teresa de la Vega
Gilgi Hauser
Captain - SS Midland
John Tate
Bettina
Carole Ann Ford
Flight 356 Radioman
Arthur Gross
Nurse Jamieson
Colette Wilde
Greenhouse Watchman
Ian Wilson
Poiret
Victor Brooks
Train Passenger (uncredited)
Chris Adcock
Flight 356 Pilot (uncredited)
Michael Bishop
SS Midland Passenger (uncredited)
Ernest Blyth
Escaped Prisoner (uncredited)
Jim Brady
Blind Man at Station (uncredited)
Jimmy Charters
Escaped Prisoner (uncredited)
Maxwell Craig
Triffid (uncredited)
Mick Dillon
Mary (uncredited)
Katya Douglas
Narrator / Parisian Radio Operator (voice) (uncredited)
Peter Dyneley
Blind Woman (uncredited)
Mabel Etherington
Burly Man (uncredited)
Thomas Gallagher
SS Midland Passenger (uncredited)
Muriel Greenslade
Man in Train Station (uncredited)
George Hilsdon
Train Passenger (uncredited)
Gerry Judge
Train Crash Survivor (uncredited)
Frederick Kelsey
Airline Passenger (uncredited)
Juba Kennerley
SS Midland Passenger (uncredited)
Edith Pavitt
Man in Train Station (uncredited)
Harry Phipps
Train Crash Survivor (uncredited)
Bill Rayment
Train Crash Survivor (uncredited)
Ernie Rice
Escaped Prisoner (uncredited)
Johnny Rossi
Blind Man (uncredited)
John Simpson
Panicky Blonde on Flight 356 (uncredited)
Esme Smythe
Ticket Agent (uncredited)
Sidney Vivian
Train Passenger (uncredited)
Joe Wadham
Train Passenger (uncredited)
Fred Wood