William Paulson, who plays the alien, can also be seen out of makeup at the beginning of the movie. He plays a soldier in an Army Jeep.
At 54 minutes our heroes attempt an escape in a German truck which has right-hand drive. The Nazis must have captured the truck from the British.
Was the first film Charles Band shot and produced in Rome, Italy.
The entire main cast of this film Tim Thomerson, Art LaFleur, Timothy Van Patten, and Biff Manard, would go on to be reunited in the 1988 film, The Wrong Guys, along with frequent Thomerson collaborator, Brion James, who served with Thomerson in the National Guard.
The radioman has his back to the wall along with the antenna. The antenna would block any chance of making radio contact.