The film is also known as The Alien Incident in Belgium (English video title).
The alpha incident discovery
A space probe returns to Earth from Mars, carrying with it a deadly organism which has the lethal potential to destroy all life on Earth. Being transported across country by train, the micro-organism is released when a nosy train employee inspects the cargo. This results is the entire train station being quarantined. Those trapped wait for the government to find a cure, while trying not to fall asleep because that is when this unseen killer strikes.
Ralph Meeker as Charlie
Stafford Morgan as Dr. Sorensen
John F. Goff as Jack Tiller
Carol Irene Newell as Jenny
George "Buck" Flower as Hank (also as Buck Flower)
Paul Bentzen as Dr. Farrell
John Alderman as Dr. Rogers
Ray Szmanda as The Official
Lawrence Ripp as The Guard
Harry Youstos as Alvin
Deanna Wynand and Don Lasee and The Ramblin Fever Band - "The Gift" (Lyrics by Dale Kuippers (as Dale Kuipers) and Bill Rebane, music by Tom Barnet)