Before the movie starting shooting, Michael J. Fox was still keeping his Parkinson's disease a secret. He felt he would lose the role if Rob Reiner found out. During a basic and routine fitness screening, Fox was terrified that clinicians would detect the periodic shaking in his left hand and eventually connect it to Parkinson's. Fortunately for Fox, he took his medication in time to quell the shaking and the test amounted to nothing more than checking heart rate and blood pressure.
During one of his many visits to the White House, director Rob Reiner spent two consecutive days with President Bill Clinton, following him around as he went through his day.
The Oval Office set was originally constructed for Dave (1993) and subsequently used for The West Wing (1999). Anna Deavere Smith has appeared in all 3 productions.
During a White House Christmas party, Sydney recounts an incident on Dupont Circle, prompting AJ to ask "What were you doing up on the Hill". But Dupont Circle is northwest of the White House and Capitol Hill is to the southeast. She was away from the Hill.
Sydney gets votes for the Greenhouse emissions bill by promising "full White House support", even as the President is losing votes on his crime bill because the President's popularity is plummeting. She should be losing votes the same way the President is.
Standing clock in the Oval Office shows randomly varying times. When the President asks for the time and someone answers "3:30", the clock reads something completely different.