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