Arnold Schwarzenegger played the role of Wade in the film for $0 after falling in love with the script.
This is the lowest budgeted movie Arnold Schwarzenegger has appeared in since the original The Terminator (1984).
Arnold did not receive any sort of payment to star in this film.
Shot in twenty-five days.
The term of the disease for those infected - necroambulist - is a mixture of the Greek word "necro" meaning death/dead, and the Latin-derived "ambulist" meaning walker. Thus together the literal translation is "dead-walker."