Clarence Gilyard, Jr., was originally signed to reprise his role of Bruce Barnes, but couldn't return due to a scheduling conflict.
Based on the final fifty pages of the second book (in a twelve-volume series), "Tribulation Force", which takes place eighteen months after the signing of the Israel treaty, ushering in the beginning of the seven-year Tribulation period.
The Oval Office set used (and destroyed) in this film was originally built for Murder at 1600 (1997).
Instead of a limited number of movie screens, for which Hollywood opted, the producers decided to open in over three thousand church screens.
Principal photography was supposed to begin October 15, 2004, but got pushed back until February 21, 2005 because the script was not "locked".