During the scene in Joe Epic's apartment when the IMF is invoking memories of his late wife, the instrumental song being played is "Call Me Irresponsible". Robert Goulet, who played Joe Epic, recorded a vocal version in 1966 during his singing career.
Instead of saying "your mission" the voice on the tape recorder says, "your job".
The final appearance of Greg Morris's mustache which served as a device to divert viewers' attention from Casey's pregnancy.
Joe Epic's office building is actually the Wilshire Federal Building in Los Angeles.