The original score for the film was written in part by Richard Patrick of the band Filter. Richard is the younger brother of the movie's star Robert Patrick.
Blackwell says to Cooper "...hindsight is 50/50..." This is a malaphor - a mashup of two familiar sayings. "Hindsight is 20/20" is the correct phrase, and "50/50" meaning, of course, all things being equal or an even chance. It's apparent purpose here was to establish Blackwell's level of intelligence. It also qualifies as a "throw away line", another theatrical device.
The Rampage is the 1st of 4 posthumous full-lenght releases for actor John Heard, not including 2 short films.
Final appearance of John Heard during his lifetime before his death.
A remake of A Killer In The Family starring Robert Mitchum and Stuart Margolin.