An American astronaut mysteriously disappears from his spacecraft as it parachutes to Earth. He is apparently replaced by or turned into a large, radioactive, humanoid monster. A team of scientists and military men attempt to capture the monster.
Henry Hite
as Frank Douglas as a Monster
Phil Morton
as Col. Steve Connors
Lois Brooks
as Dr. Nora Kramer (unconfirmed)
Rork Stevens
as
Robert Simons
as
Peter M. Thompson
as Dr. Chris Manning
June Travis
as Ruth
George Perry
as
Aviva Crane
as Stranded Motorist
Stu Taylor
as Kelly, the truck driver
Barry Hopkins
as
Del Clark
as
