A runaway asteroid dubbed "The Outsider" mysteriously begins orbiting the Earth and threatens it with lethal flying saucers. |
Claude Rains | - | Prof. Benson |
Bill Carter | - | Cmdr. Bob Cole |
Umberto Orsini | - | Dr. Fred Steele |
Maya Brent | - | Eve Barnett |
Jacqueline Derval | - | Cathy Cole |
Renzo Palmer | - | Barrington |
Carlo D'Angelo | - | Gen. Varreck |
Carol Danell | - | Mrs. Collins |